list of publications - people

Boian T. Alexandrov 1 April 2019

List of Publications

Dr. Boian T. Alexandrov

Welding Engineering Program, Dept. Materials Science and Engineering,

The Ohio State University

Patents

1. Wildofsky J., K. Copley, B. T. Alexandrov. 2017. Gas Chromatography TCD Hydrogen Calibration Valve. The

Ohio State University, Provisional Patent # T-2017-150.

2. Alexandrov B. T. and J. C. Lippold, Method and Device for Investigation of Phase Transformations in Metals

and Alloys, United States Patent No. 7,909,505, March 22, 2011.

3. Alexandrov B. T. and J. C. Lippold, Method and Device for Investigation of Phase Transformations in Metals

and Alloys, United States Patent No. 7,473,028, January 6, 2009.

4. Tongov M., S. Serafimov and B. Alexandrov, Catheter, Patent Application, No 102934, 11/18/98, The Patent

Institution of Bulgaria, Official Bulletin No 6, June 2000, p. 15.

5. Tongov M., S. Serafimov and B. Alexandrov. 2000. Flexible medicinal exploration tube. Patent Number:

WO200029057-A, WO200029057-A1, AU200011426-A.

6. Velkov K. and B. T. Alexandrov, Device for measurement of diffusible hydrogen, Certificate of Invention, №

46253/1988, The Patent Institution of Bulgaria.

Patent Applications

1. Stewart J., M. Forquer, B.T. Alexandrov. 2018. Method and Algorithm for Property Predictions in Materials

Processing with Multiple Reheats. The Ohio State University, Invention Disclosure # T-2019-139.

2. Rule J., B.T. Alexandrov, R. Buntain. 2018. Novel Welding Filler Metal for Dissimilar Materials Joining. The

Ohio State University, Invention Disclosure # T-2019-019.

3. Alexandrov B.T., J.C. Lippold, T.V. Luskin, G. Taber. 2014. New Generation Cast Pin Tear Test for Ranking

Solidification Cracking Susceptibility in Metallic Alloys. The Ohio State University, Invention Disclosure # T-

20149-219.

Publications in Peer Reviewed Journals

1. Kuper, M.W. and B.T. Alexandrov. 2019. Retention of Delta Ferrite in the Heat Affected Zone of Grade 91

Steel Dissimilar Metal Welds. Materials and Metallurgical Transactions A, 50A, pp. 2732-2747, DOI:

10.1007/s11661-019-05182-4.

2. Wang H., B.T. Alexandrov, and E.T. Przybylowicz. 2019. Experimental and Numerical Modeling Study of

Solidification Cracking in Alloy 52M Filler Metal in the Cast Pin Tear Test. Welding in the World, 63, pp.

913-924, DOI: 10.1007/s40194-019-00720-5.

3. Frei J., B.T. Alexandrov, and M. Rethmeier. 2019. Low Heat Input Gas Metal Arc Welding for Dissimilar

Metal Weld Overlays. Part III: Hydrogen Assisted Cracking Susceptibility. Welding in the World, 63, pp 591–

598, DOI 10.1007/s40194-018-0674-7.

4. Stone D., B.T. Alexandrov, J.A. Penso. 2018. Alloy Composition and Critical Temperatures in Type 410 Steel

Welds. Predictive Tools for Materials Selection and PWHT Optimization. Welding Journal, 97 (10), pp. 286s-

300s.

5. Frei J., B.T. Alexandrov, and M. Rethmeier. 2018. Low Heat Input Gas Metal Arc Welding for Dissimilar

Metal Weld Overlays. Part II: The Transition Zone. Welding in the World, 62 (2), pp 317-324, DOI:

10.1007/s40194-017-0539-5.

6. Riggs B., A. Benatar, B.T. Alexandrov, and R. Xu. 2017. Experimental Validation of Damage Zone Models for

Single Lap Shear Braze Joints using Digital Image Correlation, Welding Journal, 97, (11), pp. 421s-429s .


7. Fink C. and B.T. Alexandrov. 2017. Effect of Post Weld Heat-Treatment on Fusion Boundary Microstructure in

Dissimilar Metal Welds for Subsea Service, Materials Testing, 59. (6) pp. 547 - 550.

8. Riggs B., B. Alexandrov, A. Benatar and R. Xu. 2016. Thermodynamic and Kinetic Simulations of

Microstructure Evolution in High Temperature Brazing of Single Crystal Nickel-based Superalloy CMSX-4

with BNi-2 and BNi-9 Filler Metals, Science and Technology of Welding and Joining, 22, pp. 428-437, DOI:

10.1080/13621718.2016.1250432

9. Riggs B., B. Alexandrov, A. Benatar & R. Xu. 2016. Metallurgical characterization of CMSX-4 vacuum-brazed

with BNi-2 and BNi-9, Science and Technology of Welding and Joining, 22, pp. 227-235, DOI

0.1080/13621718.2016.1218415

10. Frei J., B.T. Alexandrov, M. Rethmeier. 2016. Low Heat Input Gas Metal Arc Welding for Dissimilar Metal

Weld Overlays, Part I: The Heat Affected Zone, Welding in the World, 60(3), pp.459-473, DOI:

10.1007/s40194-016-0306-z, 2016

11. Mendoza I., D. Villalobos and B.T. Alexandrov. 2015. Crack Propagation in Ti Alloy Via Adiabatic Shear Bands,

Materials Science & Engineering A, 645, 306–310, DOI: http://dx.doi.org/10.1016/j.msea.2015.08.035

12. Alexandrov B.T., J.C. Lippold. 2013. Use of the Cast Pin Tear Test to Study Solidification Cracking, Welding

in the World, 57(6), pp. 635 – 648, DOI: 10.1007/s40194-013-0061-3, 2013.

13. Alexandrov B.T., J.C. Lippold, J.W. Sowards, A.T. Hope, and D.R. Saltzmann. 2013. Fusion Boundary

Microstructure Evolution Associated with Embrittlement of Ni–base Alloy Overlays Applied to Carbon Steel,

Welding in the World, 57(1), pp. 39 – 53, DOI: 10.1007/s40194-012-0007-1, 2012.

14. Sowards J., D. Liang, B. Alexandrov, G. Frankel, J. Lippold. 2012. Solidification Behavior and Weldability of

Dissimilar Welds Between a Cr-Free, Ni-Cu Welding Consumable and Type 304L Austenitic Stainless Steel.

Metallurgical and Materials Transactions A, 43A (4), pp. 1209-1222.

15. Yue X., J.C. Lippold, B. T. Alexandrov and S.S. Babu. 2012. Continuous cooling transformation behavior and

microstructure evolution in the CGHAZ of naval steels, Welding Journal, 57, pp. 67s-75s.

16. Alexandrov B.T., L. Wang L, J.A. Siefert, J.K. Tatman, J.C. Lippold. 2012. Phase Transformations In Creep

Strength Enhanced Ferritic Steel Welds, Machines, Technologies, Materials, 4, pp. 33-36, (www.mech-

ing.com/journal)

17. T. Lolla, G. Cola, B. Narayanan, B. Alexandrov, S. S. Babu, 2012. "Comment on 'Development of rapid heating

and cooling (flash processing) process to produce advanced high strength steel microstructures' by Lolla et al.,

with a response from the authors Response." Materials Science and Technology, 28, p.126-127.

18. Alexandrov B.T., A.T. Hope, Sowards, J.C. Lippold, S.S McCracken. 2011. Weldability Studies of High-Cr,

Ni-base Filler Metals for Power Generation Applications, Welding in the World, 55, (3/4) pp. 65 – 76.

19. Lolla T., G. Cola, B. Narayanan, B.T. Alexandrov, S.S. Babu. 2011. Development of rapid heating and cooling

(flash processing) process to produce advanced high strength steel microstructures, Materials Science and

Technology, 27, pp. 863-875.

20. Sowards J.W., D. Liang, B.T. Alexandrov, G.S Frankel, J.C. Lippold. 2011. A New Chromium-free Welding

Consumable for Joining Austenitic Stainless Steels, Welding Journal, 90, pp. 63s – 76s.

21. Paulson K.P., J. Wang, N. Topham, C.Y. Wu, B.T. Alexandrov, J.C. Lippold, O.S. Es-Said. 2011. Alternatives

for Joining Stainless Steel to Reduce Cr(VI) Emissions and Occupational Exposures, Journal of Ship

Production and Design, 27, pp. 91-97.

22. Liang D., J.W. Sowards, G.S Frankel, B.T. Alexandrov, J.C. Lippold. 2011. A corrosion study of nickel-copper

and nickel-copper-palladium welding filler metals, Materials and Corrosion, 61, pp. 909-919.

23. Liang D., J.W. Sowards, G.S Frankel, B.T. Alexandrov, J.C. Lippold. 2010. Corrosion Resistance of Welds in

Type 304l Stainless Steel Made with a Nickel-Copper-Ruthenium Welding Consumable, Corrosion Science,

52, pp. 2439-2451.

24. Siefert J., B.T Alexandrov, J.C Lippold, J. Sanders, et al. 2008. Examination of phase transformations during

PWHT of steel P91. Welding in the World, 52, Special Issue, pp.75-80.

25. Alexandrov B.T., J.C. Lippold. 2007. Single Sensor Differential Thermal Analysis of Phase Transformations

and Structural Changes during Welding and Post Weld Heat Treatment, Welding in the World, 51 (11/12), pp.

48 – 59.

26. Alexandrov B.T., Theis K., Streitenberger M., Herold H., Martinek I. 2006. Cold cracking in weldments of steel

S 690 QT. Welding Research Abroad, 52, pp. 6-15.

http://journals.ohiolink.edu/search/search.do?field=author&query=%22Liang%2C+D.%22

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http://journals.ohiolink.edu/ejc/article.cgi?issn=09475117&issue=v61i0011&article=909_acsonanwfm&search_term=%28Nickel-Copper-Palladium%29

http://journals.ohiolink.edu/ejc/article.cgi?issn=09475117&issue=v61i0011&article=909_acsonanwfm&search_term=%28Nickel-Copper-Palladium%29

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https://elements.it.ohio-state.edu/userprofile.html?uid=163947


27. Alexandrov B.T., J.C. Lippold. 2006. In-Situ Weld Metal Continuous Cooling Transformation Diagrams,

Welding in the World, 50 (9/10), pp. 65 – 74.

28. Alexandrov B.T., K. Theis, M. Streitenberger, H. Herold, I. Martinek. 2005. Cold Cracking in Weldments of

Steel S690 QT, Welding in the World, 49 (5/6), pp. 64 - 73.

29. Alexandrov B.T. 2004. Hydrogen Diffusion Coefficient and Modelling of Hydrogen Behavior in Welded Joints

of Structural Steels, Welding Research Abroad, 50 (12), pp 47-55.

30. Alexandrov B., L. Mraz. 2003. Applicability of Index for the Microstructural Inhomogeneity of Structural

Steels, Journal of Materials Science and Technology, 11, pp. 56-65.

31. Alexandrov B.T. 2003. Hydrogen Diffusion Coefficient and Modelling of Hydrogen Behavior in Welded Joints

of Structural Steels, Welding in the World, 47 (9/10), pp. 21 - 29.

32. Alexandrov B.T., E. Ganchovski, M. Rachim. 2002. Evaluation of Susceptibility to Cold Cracking during Laser

Beam Welding of High Strength Steels, Machine Building Technologies, No 1, pp. 67 - 71.

33. Alexandrov B.T. 2002. In-situ CCT Diagrams in HAZ of Low Alloy Structural Steels, Scientific News, 9 (1), pp.

107 – 113, Scientific-Technical Union of Mechanical Engineering, Bulgaria.

34. Alexandrov B.T. 2002. In-situ Investigation of the Phase Transformations in Ferritic Weld Metal, Scientific

News, 9 (1), pp. 114 – 121, Scientific-Technical Union of Mechanical Engineering, Bulgaria.

35. Saev G.I., B.T. Alexandrov, M.N. Lolov and R. Rachkov. 2002. Welding and Testing of Liquefied Gas

Containers, Scientific News, 9 (1), pp. 101 – 106, Scientific-Technical Union of Mechanical Engineering,

Bulgaria.

36. Alexandrov B.T., G.I. Saev. 2000. Hydrogen Behaviour and Testing Duration by the Methods SIV 19 HT and

Implant test, Machine Building, № 2 – 3, pp. 31 - 34.

37. Velkov K.I., B.T. Alexandrov. 1993. Equipment for Examining Kinetics of Desorption of Diffusible Hydrogen

from a Welded Joint, Welding International, 7, (7), pp. 557 - 559.

38. Velkov K.I., B.T. Alexandrov. 1992. Device for Investigating the Kinetics of Diffusible Hydrogen Effusion

from Welded Joints, Welding Production, № 2, pp. 35 – 37 (in Russian).

39. Velkov K.I., and B.T. Alexandrov. 1989. Behaviour of Hydrogen in Heat Affected Zone during Welding of

Steel 23G2SAF, Wiss. Z. Uniwersitat Rostock, 38, pp. 50 -52 (in Russian).

40. Alexandrov B.T. 1989. Procedure and Equipment for Controlled Electrolytic Charging with Hydrogen,

Technical Ideas, No 1, pp. 115 – 119.

Publications in Editor Reviewed Journals 1. Yu Z., C. Fink, J. Schneider, B. T. Alexandrov. 2018. Joining of Advanced and Specialty Materials Symposium

Celebrates 20th Anniversary. Submitted to Advanced Materials & Processing, November 2018.

2. Yu Z., C. Fink, J. Schneider, B. T. Alexandrov. 2018. 20th Anniversary of Joining of Advanced and Specialty

Materials Conference. Welding Journal, 94, November 2018, pp. 14-15, 84.

3. Shapiro A.E., Landis A., Orr A., Wieneke M., Alexandrov B.T., 2018. Testing Options for Silver-Free Brazing

Alloys. Welding Journal, 97, pp. 56-60.

4. Marchal J., Duffey M., Loney M., Alexandrov B., and A. Shapiro. 2015. Silver-Free Filler Metals Meet Strength

Requirements in Brazed Joints. Welding Journal, 94, pp. 62 - 66.

5. Duffey M., Marchal J., Loney M., Alexandrov B., and A. Shapiro. 2015. Evaluation of New Silver-Free Brazing

Filler Metals, Part 1: Brazing of Steels. Welding Journal, 94, pp. 40 -46.

Publications in Peer Reviewed Proceedings 1. Lawson B.J., B.T. Alexandrov, J.C. Bundy, D. Benson, and J.A. Penso. 2019. Development of Optimized

Welding Consumable for Joining type 410 Martensitic Stainless Steel, Pressure Vessels and Piping Conference,

ASME 2019, paper PVP2019-93682, submitted in 2018, accepted.

2. Lawmon J., B.T. Alexandrov, M. Duffey, and T. Ngan. 2018. Forming and Welding Innovations for Armor Steels.

2018 NDIA Ground Vehicle Systems Engineering and Technology Symposium. Novi, Michigan, August,

2018.

3. Sarich C., J. Kovacich, B, Alexandrov, A. Benatar, J. Penso, 2017. Weldability Evaluation of Filler Metals for

Dissimilar Metal Weld of Alloy 230 to Grade P91 Steel. Pressure Vessels and Piping 2017, ASME, paper PVP

2017-65541.

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4. D. Stone, B. Alexandrov, J. Penso, 2017. Control of Retained Delta Ferrite in Type 410 Stainless Steel Welds.

Pressure Vessels and Piping 2017, ASME, paper PVP 2017-65543.

5. Penso G., B. Alexandrov, 2017. Welding of Internally Clad X65 Pipes with Precipitation Strengthened Ni-Based

Filler Metals for Pre-Salt Oil Extraction Applications. Pressure Vessels and Piping 2017, ASME, paper PVP

2017-66038.

6. Krustev A. and B. Alexandrov, 2017. Modified GTAW Orbital Tube-to-Tubesheet Welding Technique, and the

Effect of a Copper Weld Retainer during Welding of Alloy 825 and 2205 Duplex Stainless Steel. Pressure

Vessels and Piping 2017, ASME, paper PVP 2017-65971.

7. Stritch K., B. Alexandrov, 2016, Microstructural Evolution and Mechanical Properties in Simulated Heat

Affected Zone Regions of Grade 91 Steel Welds, 8th International Conference on Advances in Materials

Technology for Fossil Power Plants, EPRI, ASME 2016.

8. Kuper M.W., B.T. Alexandrov, M.J. Mills, J. Burgess. 2016. Dissimilar Metal Welds in Grade 91 and 92 Steels,

8th International Conference on Advances in Materials Technology for Fossil Power Plants, EPRI, ASME

2016.

9. Stone D., B. Alexandrov, and J. Penso, 2016. Post weld heat treatment and formation of untempered martensite

in 410 steel welds, Pressure Vessels & Piping PVP16, ASME, 2016.

10. He M., B. Alexandrov, and J. Lippold, 2016. Evaluation of the Susceptibility of Duplex Stainless Steel 2205 to

Hydrogen Assisted Cracking in REAC System, Pressure Vessels & Piping PVP16, ASME, 2016.

11. Riggs B., A. Benatar, B. Alexandrov, R. Xu, 2016. Multi-Scale FEA Modeling of High Temperature Brazed

Joints Via Evaluation of Fracture Mechanics Test Methods, LOT 2016: 11th International Conference on

Brazing and Diffusion Bonding, DVS-Berichte, Germany, pp. 257-261.

12. A. E. Shapiro, B. T. Alexandrov and M. J. Duffey. 2016. Evaluation of New Silver-free Brazing Filler Metal in

the Form of Wire or Paste. LOT 2016: 11th International Conference on Brazing and Diffusion Bonding,

DVS-Berichte, Germany, pp. 338-341.

13. Przybylowicz E., Luskin T., Alexandrov B., Lippold J., and McCracken S. 2016. Weldability Evaluation of High

Chromium, Ni-base Filler Metals Using the Cast Pin Tear Test, Cracking Phenomena in Welds IV, Springer,

pp. 269-288, ISBN 978-3-319-28434-7.

14. Bourgeois D., Alexandrov B., Lippold J., and Fenske J. 2016. Metallurgical Factors Influencing the Susceptibility

to Hydrogen Assisted Cracking in Dissimilar Metal Welds for Application under Cathodic Protection, Cracking

Phenomena in Welds IV, Springer, pp. 441-455, ISBN 978-3-319-28434-7.

15. Strader K., Alexandrov B., Lippold J. 2016. Stress-Relief Cracking in Simulated-Coarse-Grained Heat Affected

Zone of a Creep-Resistant Steel, Cracking Phenomena in Welds IV, Springer, pp. 475-493, ISBN 978-3-319-

28434-7.

16. Riggs B., Alexandrov B., Benatar A., Xu R. 2015. Thermodynamic Simulations of Single Crystal Superalloy

CMSX-4 Brazed Joints with BNi-2 and BNi-9 Filler Metals, 6th International Brazing and Soldering

Conference, Long Beach, CA, April 19-22, 2015, AWS, paper #50.

17. Riggs B., Alexandrov B., Benatar A., Xu R. 2015. Microstructural Characterization of Single Crystal Superalloy

CMSX-4 Brazed Joints with BNi-2 and BNi-9 Filler Metals, 6th International Brazing and Soldering

Conference, Long Beach, CA, April 19-22, 2015, AWS, paper #9.

18. Duffey M., Marchal J., Loney M., Alexandrov B., and A. Shapiro. 2015. Strength of Brazed Joints and

Metallurgical Characterization in Cu-4Sn-6P and Cu-40Zn-1Sn-0.3Si Silver-Free Filler Metals, 6th International

Brazing and Soldering Conference, Long Beach, CA, April 19-22, 2015, AWS, paper #21.

19. Alexandrov B.T., J.M. Steiner, K.C. Strader, X. Feng, J.C. Lippold, J.E. Dierksheide, J.M. Tanzosh. 2014. Phase

Transformations and Microstructure in Gas tungsten Arc Welds of Grade 23 Steel Tubing, 7th International

Conference Advances in Materials Technology for Fossil Power Plants, EPRI, ASM International, pp. 537 -

585.

20. Luskin T.C., B.T. Alexandrov, J.C. Lippold, S.S McCracken. 2012. Preliminary Finite Element Analysis and

Optimization of the Cast Pin Tear Test, Proceedings, Numerical Analysis of Weldability X, Technische

Universität Graz, pp. 315 - 335.

21. Alexandrov B.T., A.T. Hope, B.J. Sutton, J.W. Sowards, J.C. Lippold, S.S McCracken. 2012. Susceptibility to

Solidification Cracking in High Chromium Nickel-Base Filler Metals for Nuclear Power Application, Trends in

Welding Research IX, ASM International, pp. 614 - 622.

22. Alexandrov B.T., Shu Shi, J.M. Rodelas and J.C. Lippold. 2012. A New Test for Evaluation of Susceptibility to

Hydrogen Assisted Cracking in Dissimilar Metal Welds, Corrosion 2012, NACE, Paper C2012-0001602.

23. Alexandrov B.T., J.C. Lippold. 2011. Further Development of the Cast Pin Tear Test for Evaluating Solidification

Cracking in Ni-base Alloys, Hot Cracking Phenomena in Welds III, pp. 317 – 331, Springer.


24. Sowards J.W., B.T. Alexandrov, J.C. Lippold, G.S. Frankel. 2011. Weldability of a New Ni-Cu Welding

Consumable for Joining Austenitic Stainless Steels, Hot Cracking Phenomena in Welds III, pp. 393 – 413,

Springer.

25. McCracken S.S., B.T. Alexandrov, A.T. Hope, J.W. Sowards, J.C. Lippold. 2010. Hot Cracking Study of High

Chromium Nickel-base Weld Filler Metal 52MSS (ERNiCrFe-13) for Nuclear Applications, Pressure Vessels &

Piping PVP10, Paper PVP2010-25787, ASME, 2010.

26. Alexandrov B.T. and J.C. Lippold, In-Situ Determination of Phase Transformations and Structural Changes

during Non-equilibrium Material Processing. 2010. In-Situ Studies with Photons, Neutrons and Electrons

Scattering, p.p. 113-131, Springer.

27. Paulson K.M., J. Wang, N. Topham, C-Y. Wu, B.T. Alexandrov, J.C. Lippold, O. Es-Said. 2010. Alternatives for

Joining Stainless Steel to Reduce Cr(VI) Emissions and Occupational Exposures, SNAME 2010 Maritime

Technology Conference, SNAME, 2010.

28. Siefert J.A., B.T. Alexandrov1, J.C. Lippold, J. Sanders, J.M. Tanzosh. 2008. Examination of Phase

Transformations during PWHT of Steel P91, Safety and Reliability of Welded Components in Energy and

Processing Industry, 61st IIW International Conference, pp. 75 – 80, International Institute of Welding.

29. Faith C., E.K. Gould, A.V. McNeal, B.T. Alexandrov, A.E. Shapiro. 2009. Evaluation Of Brazed And Soldered

Joints After Thermal Cycling In Liquid Nitrogen, 4th International Brazing and Soldering Conference, Proc.,

pp. 176-180, AWS.

30. Alexandrov B.T., J.C. Lippold, J.K. Tatman, G.M. Murray. 2008. Non-equilibrium Phase Transformation

Diagrams in Engineering Alloys, Trends in Welding Research VIII, pp. 467 – 476, ASM International.

31. Alexandrov B.T., J.C. Lippold, N. E. Nissley. 2008. Evaluation of Weld Solidification Cracking in Ni-Base

Superalloys Using the Cast Pin Tear Test, Hot Cracking Phenomena in Welds II, pp. 193 – 214, Springer.

32. Lippold J.C., J.W. Sowards, G.M. Murray, B.T. Alexandrov, A.J. Ramirez, Weld Solidification Cracking in Solid-

Solution Strengthened Ni-base Filler Metals, Hot Cracking Phenomena in Welds II, pp. 147 – 170, Springer.

33. Alexandrov B.T., J. C. Lippold. 2005. A New Methodology for Studying Phase Transformations in High Strength

Steel Weld Metal, Trends in Welding Research VII, pp. 975 – 980, ASM International.

34. Alexandrov B.T., J.C. Lippold. 2005. Relationship between the solidification temperature range and weld

solidification cracking susceptibility of stainless steels and Ni-base alloys, IIW Doc. IX-2163, 58th Annual

Assembly of IIW, Prague, 2005.

35. Alexandrov B.T., J. C. Lippold. 2004. Phase transformation during welding and postweld heat treatment of a

12Cr-6.5 Ni-2.5 Mo supermartensitic stainless steel. Stainless Steel World 20th Conference, pp. 1-12, 2004.

36. Alexandrov B.T. 2003. Hydrogen Behaviour in Welded Joints and Evaluation of its Role for Cold Cracking, Part

One: State of the Problem. Numerical Analysis of Weldability VII, pp. 781 – 804, Technische Universität Graz.

37. Alexandrov B.T. 2003. Hydrogen Behaviour in Welded Joints and Evaluation of its Role for Cold Cracking, Part

Two: Experimental and Modelling Investigations. Numerical Analysis of Weldability VII, pp. 805 – 846,

Technische Universität Graz.

38. Lolov N.V., M.G. Beloev, B.T. Alexandrov, M.L. Lozanov. 2002. Influence of Cooling Rate on Microstructure

and Impact Toughness in HAZ of Steel S355, 11th International Metallurgy and Materials Congress,

Proceedings, pp. 1901 – 1908, Chamber of Metallurgical Engineers, Istanbul, Turkey.

39. Alexandrov B.T. 1996. An Approach for Investigation of Hydrogen Behavior during Welding, Development of

Metallurgy in the Balkans at the Beginning of the XXI Century, Proceedings, Vol. I, pp. 343 – 348, Scientific

Technical Union Machine Building, Bulgaria.

40. Velkov K.I., and B.T. Alexandrov. 1989. Evaluation of the Influence of Microconstituents Content in HAZ on

the Hydrogen Diffusivity. Welding Processes and Welded Joints, pp. 98 - 100, Welding Research Institute

Bratislava, (in Russian).

41. Saev G.I., B.T. Alexandrov. 2001. Comparison of Methods for Determination of Preheat Temperature in Welding

of Low Alloy Structural Steels, International Conference AMTECH 2001, Proceedings, Volume І, pp. 210 –

215, TU Sofia, Bulgaria.

42. Shelev A.N., N.V. Lolov, S.C. Christov, B.T. Alexandrov. 1999. Influence of the Production Loss of Quality on

the In-service Reliability of Welded joints, International Conference Welding on the Threshold of XXI

Century, Proceedings, pp. 35 – 42, TU Sofia, Bulgaria.

43. Alexandrov B.T. 1999. Method for In-situ Determination of Phase Transformation Temperatures in Welded

Joints, International Conference АМТЕCH’ 99, Proceedings, pp. 372 – 379, TU Plovdiv, Bulgaria.

44. Alexandrov B.T., М.T. Тongov, М.L. Lozanov. 1999. Applicability of a Method for Digital Registration of Weld

Thermal Cycles, International Conference АМТЕCH ’99, Proceedings, pp. 364 – 371, TU Plovdiv, Bulgaria.

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45. Shelev A.N., М.T. Тongov, B.T. Alexandrov. 1999. Application of Thermal Spray Layers, International

Conference АМТЕCH ’99, Proceedings, pp. 357 – 363, TU Plovdiv, Bulgaria.

46. Shelev A.N., N.V. Lolov, М.L. Lozanov, М.T. Тongov, B.T. Alexandrov. 1999. Observation, Recording and

Analysis of the Arc Process during Gas Metal Arc Welding, International Conference АМТЕCH ’99,

Proceedings, pp. 447 – 454, TU Plovdiv, Bulgaria.

47. Alexandrov B.T., G.I. Saev. 1997. Computer Investigation of Hydrogen Behavior in Weldments, International

Congress Mechanical Engineering Technologies, Proceedings, Vol. III: Welding, pp. 136 - 142, Scientific

Technical Union Machine Building, Bulgaria.

48. Alexandrov B.T. and G.I. Saev. 1995. Computer Based Design of Experiment on Hydrogen Behaviour in

Weldments, Scientific Conference АMTECH’95, Proceedings, Volume 2, pp. 225 – 231, TU Rousse, Bulgaria.

Publications in Editor Reviewed Proceedings 1. T.C. Luskin, B.T. Alexandrov, J.C. Lippold, S.S McCracken. 2012. Development and Validation of a New

Generation Cast Pin Tear Test, Welding and Repair Technology for Power Plants X, Paper G4, EPRI.

2. Alexandrov B.T., J.C. Lippold, T.C. Luskin, A.T. Hope, B. Sutton, An Update on the Weldability of High

Chromium Nickel-Base Filler Metals for Nuclear Power Applications, Welding and Repair Technology for Power

Plants X, Paper N4 EPRI, Marco Island FL, June 2012.

3. L. Wang, B.T. Alexandrov, J.C. Lippold. 2011. New Predictive Formulae for the A1 Temperature in Grade 91

Steel, Welding and Fabrication Technology for New Power Plants II, Paper F16, EPRI.

4. Alexandrov B.T., J.W. Sowards, A.T. Hope, B.J. Sutton, J.C. Lippold, S. McCracken. 2011. Susceptibility to

Solidification Cracking in High Chromium Nickel-Base Weld Alloys, Welding and Fabrication Technology for

New Power Plants II, Paper N7, EPRI.

5. McCracken S.S., B.T. Alexandrov, A.T. Hope, J.W. Sowards, J.C. Lippold. 2010. Hot Cracking Study of High

Chromium Nickel-base Filler Metals, Welding and Repair Technology for Power Plants IX, Paper N11, EPRI.

6. Siefert J.A., B.T. Alexandrov, J.C. Lippold, J.M. Sanders, J.M. Tanzosh. 2010. Weld Metal Phase

Transformations during PWHT of Grade 91 Welds, Welding and Repair Technology for Power Plants IX, Paper

F6, EPRI.

7. Wang L., B.T. Alexandrov, J.C. Lippold. 2010. Predicting the Critical Phase Transformation Temperatures in

CSEF Steels, Welding and Repair Technology for Power Plants IX, Paper F11, EPRI.

8. Alexandrov B.T., A.T. Hope, J.W. Sowards, J.C. Lippold, S.S. McCracken. 2009. Susceptibility to

Solidification Cracking in High Chromium Nickel-Base Weld Filler Metals, Welding and Fabrication

Technology for New Power Plants I, Paper N33, EPRI.

9. Siefert J.A., B.T. Alexandrov, J.C. Lippold, J. Sanders, J.M. Tanzosh. 2009. An Update on the Phase

Transformations during PWHT of Steel P91, Welding and Fabrication Technology for New Power Plants I,

Paper F15, EPRI.

10. Siefert J.A., B.T. Alexandrov1, J.C. Lippold, J. Sanders, J.M. Tanzosh. 2008. Examination of Phase

Transformations during PWHT of Steel P91, Safety and Reliability of Welded Components in Energy and

Processing Industry, 61st IIW International Conference, pp. 75 – 80, IIW.

11. Sinfield, M.F., J.C. Lippold, B.T. Alexandrov, Physical Simulation of Friction Stir Weld Microstructure of a

High-Strength, Low Alloy Steel (HSLA-65). 2008. 7th International Symposium on Friction Stir Welding,

Proceedings, IIW.

12. Alexandrov B.T., J.C. Lippold, J. K. Tatman, G. M. Murray. 2008. Controlling the Microstructure in AHSS

Steel Welds, Sheet Metal Welding Conference, Proceedings, AWS.

13. W. Sowards, J.C. Lippold, B.T. Alexandrov, D. Liang, G.S. Frankel. 2007. Ni-Cu-Pd and Ni-Cu-Ru filler

metals for joining austenitic stainless steels, Stainless Steel World 2007, Proceedings, KCI Publishing BV.

14. Lippold J.C., B.T. Alexandrov. 2004. Phase Transformations during Welding and Post Weld Heat Treatment of

Supermartensitic Stainless Steel, Stainless Steel World 2004, KCI Publishing BV, pp.189-200.

15. Alexandrov B.T., M.N. Lolov, M. L. Lozanov. 2002. Investigation of the Process of Cold Cracking in High

Strength Structural Steel by Implant Test, Int. Congress MEET/MARIND 2002, TU Varna, Bulgaria.

16. Alexandrov B.T., M.N. Lolov. 2002. Study of Weld Bead Formation in Gas Metal Arc Welding, Int. Congress

MEET/MARIND 2002, TU Varna, Bulgaria.


Non-Reviewed Papers in Proceedings

1. Penso J. and B. Alexandrov. 2017. Assessment of 2205 weldments in Hydroprocessing Reactor Air Coolers.

Pressure Vessels and Piping 2017, ASME.

2. Lippold J.C., B.T. Alexandrov, M. Gonser, Y.H. Kim, D. Liang, G.S. Frankel. 2005. Development of Ni-Cu

Filler Metals for Joining Austenitic Stainless Steels, Stainless Steel World 2005, KCI Publishing BV.

3. Saev G., B. Alexandrov, M. Lolov and R. Rachkov. "Procedures for Welding and Testing of Bottles for Liquid

Gas" In: Scientific News of the National Scientific Union on Machine-building. Vol. 9. ( 2002 ): 101-106.

( Published )

4. Alexandrov B. Т. 1995. Temperature Dependence of Hydrogen Diffusion Coefficient in Welding Conditions,

Scientific Conference 50 years Dept. Materials Science and Engineering, Proceedings, pp. 102 – 111, TU Sofia,

Bulgaria.

5. Shelev A.N., N.V. Lolov, S.I. Serafimov, B.T. Alexandrov. 1995. Trends and Achievements in the Scientific

Research in Welding of Metals at TU Sofia, Scientific Conference 50 years Dept. Materials Science and

Engineering, Proceedings, pp. 2 – 18, TU Sofia, Bulgaria.

6. Alexandrov B. T. 1994. Procedure for Digital Recording and Analysis of Welding Thermal Cycles, VІІ Scientific

Session, Proceedings, pp. 3 – 9, Higher Military School of Transportation, Sofia, Bulgaria.

7. Alexandrov B.Т., M.G. Mitev and E.M. Semov. 1994. Device for Measurement of Hydrogen in Welded Joints,

VІІ Scientific Session, Proceedings, pp. 10 – 15, Higher Military School of Transportation, Sofia, Bulgaria.

Invited Conference Presentations and Keynotes 1. Alexandrov B.T. 2017. Dissimilar Metal Welds for Oil and Gas, and Power Generation Applications. Invited

Presentation. University West, Trollhattan, Sweden. December, 2017.

2. Alexandrov B.T. 2017. Recent Developments in Weldability Evaluation of Advanced Alloys for Energy

Application. Invited Presentation. 7th IIW Welding Research Collaboration Colloquium. TWI, Abington, UK,

December, 2017.

3. Alexandrov B.T., Tuberville E., Ubale N. 2017. Dissimilar Metal Welds: Test and Qualification Criterion for

Subsea Service Under Cathodic Protection. Invited Presentation. Corrosive Chronicles Theatre, Corrosion 2017,

NACE. New Orleans, LA, April 2017.

4. Alexandrov B.T. 2016. Application of Computational Modeling in Weldability Evaluation of Advanced Alloys.

Invited Presentation. Swedish Society of Materials Technology, Annual Meeting. Chalmers University of

Technology, Gothenburg, Sweden, June 2016.

5. Alexandrov B.T. 2016. Cracking in Weldments of Advanced Alloys. Invited Presentation. University West,

Trollhattan, Sweden, June 2016.

6. Alexandrov B.T. 2016. Phase Transformations and Weldability Evaluation in Alloy 282. Invited Presentation.

GKN, Trollhattan, Sweden, June 2016.

7. Alexandrov B.T. 2016. Cracking in Weldments of Advanced Alloys. Keynote, Weld Cracking X, AWS, Houston,

TX, May 23-24, 2016.

8. Alexandrov B.T. 2016. Welding of Dissimilar Materials for Oil and Gas, Petrochemical, and Power Generation

Industries. Welding of Advanced Materials, AWS Workshop, AWS, Miami FL, January 2016.

9. Alexandrov B.T. 2015. Structural Weld Overlays in Nuclear Power Repair. Invited Presentations at Chalmers

University of Technology, University West, GKN, and Malmo University, Sweden, June 2015.

10. Alexandrov B.T. 2015. Dissimilar Metal Overlays for Oil and Gas Application, 2015. Dissimilar Materials

Welding / Joining, AWS Workshop, AWS, Columbus OH, January 2015.

11. Alexandrov B.T. 2014. New Developments in Weldability Evaluation of Advanced Alloys. Invited

Presentations at Chalmers University of Technology, University West, GKN, and Lulea University, Sweden,

October 2014.

12. Alexandrov B.T. 2012. Recent Developments in Weldability Evaluation of Advanced Alloys, Plenary

Presentation, Advanced Joining, 2012 ASM Annual Spring Symposium, GE Global Research Center,

Niskayuna, NY, May (2012).

13. Alexandrov B.T., Wang L., Siefert J.A, Tatman J.K., Lippold, J.C. 2011. Phase Transformations In Creep

Strength Enhanced Ferritic Steel Weld, Plenary Presentation, 8th International Congress Machines,

Technologies, Materials, Varna, Bulgaria, September 20, 2011.


14. Alexandrov B.T., J.C. Lippold. 2010. Failure Analysis of Weldability Related Defects, Symposium Failure

Analysis and Prevention, MS&T’10, ASM International, Houston TX, October, 2010.

15. Alexandrov B.T., J.C. Lippold. 2009. New Technique Determines Solid-Liquid and Solid State Phase

Transformations during Welding, Weld Cracking VII “The Heat Affected Zone” Conference, AWS, Chicago IL,

November, 2009.

16. Alexandrov B.T., J.C. Lippold. 2008. Welding of HSLA Steels – Controlling the Weld and HAZ Microstructure,

International North America Offshore Industry Conference, Böhler Welding Group, Houston TX, August, 2008.

17. Lippold J.C., B.T. Alexandrov, J.W. Sowards, G.S. Frankel, D. Liang. 2007. Development of a Cr-free

Consumable for Joining Austenitic Stainless Steels, 5th Charting the Course in Welding: U.S. Shipyards

Conference, AWS, Newport News VA, October, 2007.

18. Alexandrov B.T., J.C. Lippold. 2007. Non-equilibrium Phase diagrams of Advanced Engineering Alloys,

International Symposium Numerical, Mathematical and Physical Modeling Tools for Materials Processes,

MS&T’07, ASM International, Detroit MI, September, 2007.

19. Alexandrov B.T., J.C. Lippold. 2007. Application of a Novel Tool to Study the Phase Transformations in

Welded Joints, 3rd International Congress in Industrial Welding Technology, COMIMSA, Saltillo Mexico,

September, 2007.

20. Alexandrov B.T., J.C. Lippold. 2007. Single Sensor Differential Thermal Analysis, Columbus Chapter Meeting,

ASM International, January, 2007.

21. Alexandrov B.T. 2003. Modeling of Hydrogen Behavior in Welded Joints and Evaluation of its Role for Cold

Cracking, Numerical Analysis of Weldability VII, TU Graz, Austria, October 2003.

Conference Presentations (more than 240)

1. Kuper M., B.T. Alexandrov, and J. Burgess. 2018. High Temperature Mechanical Behavior of Grade 91 Steel

Dissimilar Metal Welds with Nickel Based Filler Metals. FABTECH International and AWS Show, AWS,

Atlanta GA, November 2018.

2. Rule J. and B.T. Alexandrov. 2018. Establishing an Industry Standard Practice for the Delayed Hydrogen

Cracking Test. FABTECH International and AWS Show, AWS, Atlanta GA, November 2018.

3. Wildofsky J., B.T. Alexandrov, A. Benatar, R. Xu. 2018. Multiscale Modeling and Damage Zone Analysis of

Ni-Based Super Alloy Brazed Joints for High Temperature Gas Turbine Applications. FABTECH International

and AWS Show, AWS, Atlanta GA, November 2018.

4. Lawson B. and B.T. Alexandrov. 2018. Validation of Predictive Formula for the Development of Type 410

Stainless Steel for Hydro-Processing Applications. FABTECH International and AWS Show, AWS, Atlanta GA,

November 2018.

5. Sarich C., B.T. Alexandrov, A. Benatar. 2018. Evaluation of Stress Relief Cracking Susceptibility in Low Alloy

Creep Resistant Steels. FABTECH International and AWS Show, AWS, Atlanta GA, November 2018.

6. Stewart J. and B.T. Alexandrov. 2018. Temper Bead Welding. FABTECH International and AWS Show, AWS,

Atlanta GA, November 2018.

7. Luther S. and B.T. Alexandrov. 2018. Thermal Faceting in Austenitic Weld Metal during Multipass Welding.

FABTECH International and AWS Show, AWS, Atlanta GA, November 2018.

8. Buntain R. and B. T. Alexandrov. 2018. Carbon Migration in Multipass Dissimilar Metal Welds for Subsea

Service. FABTECH International and AWS Show, AWS, Atlanta GA, November 2018.

9. Alvarez A. and B.T. Alexandrov.2018. Characterization and Testing of Low Alloy Steel Girth Welds on

Internally Clad X65 Pipes. FABTECH International and AWS Show, AWS, Atlanta GA, November 2018.

10. Luther S., B. Alexandrov. 2018. Quantification of the Susceptibility to Ductility Dip Cracking in Welds of Ni-

based Alloys. Joining of Advanced and Specialty Materials XX, MS&T’18, ASM International, Columbus, OH,

October 2018.

11. Buntain R., B. Alexandrov. 2018. Characterization of Dissimilar Metal Welds Between Low Alloy Steel Butter

Welds and Grade F65 Steel Using Alloy 625 Filler Wire. Joining of Advanced and Specialty Materials XX,

MS&T’18, ASM International, Columbus, OH, October 2018.


12. Kuper M., B. Alexandrov, J. Burgess. 2018. High Temperature Mechanical Behavior near the Fusion Boundary

in/Grade 91 Steel Dissimilar Metal Welds. Joining of Advanced and Specialty Materials XX, MS&T’18, ASM

International, Columbus, OH, October 2018.

13. Stewart J., B. Alexandrov. 2018. Quantification of the Tempering Response in Grade 22 Steel for Temper Bead

Welding Applications. Joining of Advanced and Specialty Materials XX, MS&T’18, ASM International,

Columbus, OH, October 2018.

14. Lawson B., B. Alexandrov. 2018. Tempering Response of Type 410 Welding Consumables and Base Metals.

Joining of Advanced and Specialty Materials XX, MS&T’18, ASM International, Columbus, OH, October 2018.

15. Sarich C., B. Alexandrov. 2018. Development of a Standardized Test for Stress Relief Cracking Susceptibility

in Low Alloy Steels. Joining of Advanced and Specialty Materials XX, MS&T’18, ASM International,

Columbus, OH, October 2018.

16. Alvarez A., B. Alexandrov. 2018. Microstructural Characterization of Low Alloy Steel Girth Welds for Joining

of Internally Clad API 5L Grade X65 Pipes. Joining of Advanced and Specialty Materials XX, MS&T’18, ASM

International, Columbus, OH, October 2018.

17. Wildofsky J., Alexandrov B., Benatar A., Xu R. 2018. Multiscale Modeling and Damage Zone Analysis of Ni-

Based Superalloy Brazed Joints for High Temperature Gas Turbine Engine Applications. Joining of Advanced

and Specialty Materials XX, MS&T’18, ASM International, Columbus, OH, October 2018.

18. Lawmon J., B.T. Alexandrov, M. Duffey, and T. Ngan. 2018. Forming and Welding Innovations for Armor

Steels. 2018 NDIA Ground Vehicle Systems Engineering and Technology Symposium. Novi, Michigan, August,

2018.

19. Frei J., Alexandrov B.T., Rethmeier M. 2018. Low Heat Input Gas Metal Arc Welding for Dissimilar Metal

Weld Overlays: Part III: Hydrogen Assisted Cracking Susceptibility. 71st Annual Assembly of IIW, Doc. IX-L-

1199-18, International Institute of Welding, Bali, Indonesia, July 2018.

20. Alexandrov B. 2017. Dissimilar Metal Welds for Oil and Gas, and Power Generation Applications. FABTECH

International and AWS Show, AWS, Chicago IL, November 2017.

21. Kuper M., M. Mills, B. Alexandrov, J. Burgess. 2017. Microstructural Evolution near the Fusion Boundary of

Grade 91 Steel Dissimilar Metal Welds with Nickel Filler Metals. FABTECH International and AWS Show, AWS,

Chicago IL, November 2017.

22. Riggs B., B. Alexandrov, A. Benatar. 2017. Experimental Measurements and FEA Modeling of Fracture

Mechanics of Brazed Joints in Ni-based Superalloys for Gas Turbine Applications. FABTECH International and

AWS Show, AWS, Chicago IL, November 2017.

23. Stone D., B. Alexandrov. 2017. Retention of Delta Ferrite in 410SS Welds. FABTECH International and AWS

Show, AWS, Chicago IL, November 2017.

24. Luther S., B. Alexandrov. 2017. Quantification of the Susceptibility to Ductility Dip Cracking in Weld Overlays

of Ni-based Alloys. FABTECH International and AWS Show, AWS, Chicago IL, November 2017.

25. Faria G. A., B. Alexandrov, A. Ramirez. 2017. The Effect of Inclusions and Residual Composition on Creep

Cavity Nucleation and Their Relationship with Increased Failure Susceptibility in Grade 91 Steels. FABTECH


26. Stewart J., B. Alexandrov. 2017. Temper Bead Welding for Weld Overlays. FABTECH International and AWS


27. Buntain R., B. Alexandrov. 2017. Hydrogen Assisted Cracking of Dissimilar Metal Welds between Grade F65

Steel and Low Alloy Steel Overlays Using Alloy 625 Filler Wire. FABTECH International and AWS Show, AWS,


28. Alvarez A., B. Alexandrov A. Joining of Internally Clad X65 Pipes using Low Alloy Steel Consumables2017.

FEA DoE on the Effect of Welding Parameters on DMW Overlays. FABTECH International and AWS Show,

AWS, Chicago IL, November 2017.

29. Boster C., B. Alexandrov. 2017. Hydrogen Assisted Cracking in Dissimilar Metal Welds Used in the Oil and Gas

Industry. FABTECH International and AWS Show, AWS, Chicago IL, November 2017.

30. Forquer M., B. Alexandrov. 2017. FEA DoE on the Effect of Welding Parameters on DMW Overlays. FABTECH


31. Sarich C., B. Alexandrov. 2017. Evaluation of Stress Relief Cracking in Grade 11 Welds. FABTECH



32. Buntain R., B. Alexandrov. 2017. Dissimilar Metal Welds in Grade F65 Steel to Grade F22 Steel Overlaid with

Low Alloy Steel. Joining of Advanced and Specialty Materials XIX, MS&T’17, ASM International, Pittsburg PA,

October 2017.

33. Stewart J., B. Alexandrov. 2017. Comparison of Single-Sensor Differential Thermal Analysis (SSDTA) and

Dilatometry in CCT Development in Grade 22 Steel. Joining of Advanced and Specialty Materials XIX,

MS&T’17, ASM International, Pittsburg PA, October 2017.

34. Rule J., B. Alexandrov. 2017. Effect of Post Weld Heat Treatment Temperature on Hydrogen Assisted Cracking

of Heat Resistant Stainless Steel Dissimilar Metal Welds. Joining of Advanced and Specialty Materials XIX,

MS&T’17, ASM International, Pittsburg PA, October 2017.

35. Luther S., B. Alexandrov. 2017. Characterization of Cracking in Nickel-Based Alloy Overlays. Joining of

Advanced and Specialty Materials XIX, MS&T’17, ASM International, Pittsburg PA, October 2017.

36. Forquer M., B. Alexandrov. 2017. Temper Bead Welding for Dissimilar Metal Welds and Overlays. Joining of

Advanced and Specialty Materials XIX, MS&T’17, ASM International, Pittsburg PA, October 2017.

37. Sarich C., J. Kovacich, B, Alexandrov, A. Benatar, J. Penso, 2017. Weldability Evaluation of Filler Metals for

Dissimilar Metal Weld of Alloy 230 to Grade P91 Steel. Pressure Vessels and Piping 2017, ASME, paper PVP

2017-65541, Waikoloa, HI, July 2017.

38. D. Stone, B. Alexandrov, J. Penso, 2017. Control of Retained Delta Ferrite in Type 410 Stainless Steel Welds.

Pressure Vessels and Piping 2017, ASME, paper PVP 2017-65543, Waikoloa, HI, July 2017.

39. Penso G., B. Alexandrov, 2017. Welding of Internally Clad X65 Pipes with Precipitation Strengthened Ni-Based

Filler Metals for Pre-Salt Oil Extraction Applications. Pressure Vessels and Piping 2017, ASME, paper PVP

2017-66038, Waikoloa, HI, July 2017.

40. Krustev A. and B. Alexandrov, 2017. Modified GTAW Orbital Tube-to-Tubesheet Welding Technique, and the

Effect of a Copper Weld Retainer during Welding of Alloy 825 and 2205 Duplex Stainless Steel. Pressure Vessels

and Piping 2017, ASME, paper PVP 2017-65971, Waikoloa, HI, July 2017.

41. Alexandrov B., J. Penso, 2017. Assessment of 2205 Weldments in Hydro-processing Reactor Air Coolers.

Pressure Vessels and Piping 2017, ASME, paper PVP 2017-65915, Waikoloa, HI, July 2017.

42. Kuper M., B. Alexandrov. 2017. Microstructural Evolution at the Damage Region of Grade 91 Steel Dissimilar

Metal Welds. Welding and Repair Technology for Power Plants, 12th International Conference, EPRI, Orlando

FL, June 2017.

43. Stewart J., B. Alexandrov. 2017. Temper Bead Welding for Weld Overlays. Welding and Repair Technology for

Power Plants, 12th International Conference, EPRI, Orlando FL, June 2017.

44. Luther S., B. Alexandrov. 2017. Quantification of the Susceptibility to Ductility Dip Cracking in Weld Overlays

of Ni-based Alloys. Welding and Repair Technology for Power Plants, 12th International Conference, EPRI,

Orlando FL, June 2017.

45. Fink C., B. Alexandrov, J. Penso, 2017. Applicability of Filler Metal 16-8-2 for Structural Welds in 304H and

347H Steels for High Temperature Service. Pressure Vessels and Piping 2017, ASME, paper PVP 2017-65916,

Waikoloa, HI, July 2017.

46. Fink C., B. Alexandrov. Hydrogen Embrittlement in Dissimilar Metal Welds for Subsea Service: Metallurgical

Factors Influencing Susceptibility to Hydrogen Assisted Cracking. 2016 FABTECH International and AWS Show,

AWS, Las Vegas UT, November 2016.

47. Riggs B., B. Alexandrov, A. Benatar, R. Xu. Multi-Scale Modeling and Fracture Mechanics of Nickel-based

Superalloy Brazed Joints. 2016 FABTECH International and AWS Show, AWS, Las Vegas UT, November 2016.

48. Duffey M., B. Alexandrov. Austenitic Welds in High Strength Steels: Metallurgical Characterization and

Weldability Evaluation. 2016 FABTECH International and AWS Show, AWS, Las Vegas UT, November 2016.

49. O’Brien E., B. Alexandrov. Defect Formation in Welds of Higher Melting Temperature Consumable on Lower

Melting Temperature Substrate: Low Alloy Steel Welded over Nickel-Based Alloy. 2016 FABTECH

International and AWS Show, AWS, Las Vegas UT, November 2016.

50. Penso G., B. Alexandrov. Welding of Internally Clad X65 Pipes with Filler Metals of Precipitation Strengthened

Ni-base Alloys. 2016 FABTECH International and AWS Show, AWS, Las Vegas UT, November 2016.

51. Suma E., B. Alexandrov. Dissimilar Metal Welding of X65 Steel Pipes with Super Duplex Stainless Steel Filler

Metal. 2016 FABTECH International and AWS Show, AWS, Las Vegas UT, November 2016.

52. Stritch K., B. Alexandrov. Development of CCT Diagram in the ICHAZ of Grade 91 Steel. 2016 FABTECH

International and AWS Show, AWS, Las Vegas UT, November 2016.

53. Stone D., B. Alexandrov. Investigation on the Formation of Untempered Martensite in 410 Steel Weldments.

2016 FABTECH International and AWS Show, AWS, Las Vegas UT, November 2016.


54. Kuper M., B, Alexandrov, D. Burgess, M. Mills. Characterization Near the Dissimilar Weld Interface Location

in Grade 91 DMWs. 2016 FABTECH International and AWS Show, AWS, Las Vegas UT, November 2016.

55. Buntain R., B. Alexandrov, Metallurgical Characterization of Dissimilar Metal Welds in Grade F65 Steel to Grade

F22 Steel Overlaid with Low Alloy Steel Filler Metal. 2016 FABTECH International and AWS Show, AWS, Las

Vegas UT, November 2016.

56. Alexandre R., B. Alexandrov. Metallurgical Characterization and Failure Analysis of Induction Bent Dissimilar

Metal Welds. 2016 FABTECH International and AWS Show, AWS, Las Vegas UT, November 2016.

57. Fink C., H. Wang, M. Bowen, B. Alexandrov, J. Penso. Applicability of Filler Metal 16-8-2 for Structural Welds

in 304H and 347H Steels for High Temperature Service. Joining of Advanced and Specialty Materials XVIII,

MS&T’16, ASM International, Salt Lake City UT, October 2016.

58. Riggs B., B. Alexandrov, A. Benatar, R. Xu. Mechanical Properties of Ni-base Superalloy Brazed Joints for High

Temperature Gas Turbine Applications. Joining of Advanced and Specialty Materials XVIII, MS&T’16, ASM

International, Salt Lake City UT, October 2016.

59. O’Brien E., B. Alexandrov. Welding of Internally Clad X65 Pipes: Low Alloy Steel Filler Metal. Joining of

Advanced and Specialty Materials XVIII, MS&T’16, ASM International, Salt Lake City UT, October 2016.

60. Penso G., B. Alexandrov. Precipitation Behavior during welding of Ni-base precipitation strengthened alloys 282

and 718. Joining of Advanced and Specialty Materials XVIII, MS&T’16, ASM International, Salt Lake City UT,

October 2016.

61. Suma E., B. Alexandrov. Metallurgical Characterization of Super Duplex Stainless Steel & Nickel Super Alloy

Dissimilar Metal Welds. Joining of Advanced and Specialty Materials XVIII, MS&T’16, ASM International, Salt

Lake City UT, October 2016.

62. Stritch K., B. Alexandrov. Explanation for the Presence of Ferrite in the Simulated ICHAZ Microstructure of

Grade 91 Steel. Joining of Advanced and Specialty Materials XVIII, MS&T’16, ASM International, Salt Lake

City UT, October 2016.

63. Faria G., K. Stritch, B. Alexandrov, A. Ramirez. Study of Ferritic Transformations in the ICHAZ of Grade 91

Weldment using In-situ Neutron Diffraction. Joining of Advanced and Specialty Materials XVIII, MS&T’16,

ASM International, Salt Lake City UT, October 2016.

64. Stone D., B. Alexandrov. Ferrite Control in Type 410 Stainless Steel. Joining of Advanced and Specialty

Materials XVIII, MS&T’16, ASM International, Salt Lake City UT, October 2016.

65. Kuper M., B, Alexandrov, D. Burgess, M. Mills. Diffusion and Phase Transformations During Dissimilar Metal

Welding of Grade 91 Steel. Joining of Advanced and Specialty Materials XVIII, MS&T’16, ASM International,

Salt Lake City UT, October 2016.

66. Buntain R., B. Alexandrov, Metallurgical Characterization of Dissimilar Metal Welds in Grade F65 Steel to Grade

F22 Steel Overlaid with Low Alloy Steel Filler Metal. Joining of Advanced and Specialty Materials XVIII,

MS&T’16, ASM International, Salt Lake City UT, October 2016.

67. Alexandre R., B. Alexandrov. Optimization of Induction Bending Parameters for DMW Overlays. Joining of

Advanced and Specialty Materials XVIII, MS&T’16, ASM International, Salt Lake City UT, October 2015.

68. Stritch K., B. Alexandrov, 2016, Microstructural Evolution and Mechanical Properties in Simulated Heat

Affected Zone Regions of Grade 91 Steel Welds, 8th International Conference on Advances in Materials

Technology for Fossil Power Plants, EPRI, ASME 2016.

69. Kuper M.W., B.T. Alexandrov, M.J. Mills, J. Burgess. 2016. Dissimilar Metal Welds in Grade 91 and 92 Steels,

8th International Conference on Advances in Materials Technology for Fossil Power Plants, EPRI, ASME 2016.

70. Stone D., B. Alexandrov, and J. Penso. 2016. Post weld heat treatment and formation of untempered martensite

in 410 steel welds" In: Proceedings of the ASME 2016 Pressure Vessels and Piping Conference, July, 2016.

71. He M., B. Alexandrov, and J. Lippold. 2016. Evaluation of the Susceptibility of Duplex Stainless Steel 2205 to

Hydrogen Assisted Cracking in REAC System. In: Proceedings of the ASME 2016 Pressure Vessels and Piping

Conference, July, 2016.

72. Alexandrov B., 2015. Recent Developments in Weldability Evaluation of Advanced Alloys, 2015 FABTECH


73. Daniels T., B. Alexandrov, 2015. Mechanical Testing of CMT-Fabricated 52M Structural Weld Overlay on 304L,

2015 FABTECH International and AWS Show, AWS, Chicago IL, November 2015.

74. Duffey M., B. Alexandrov, 2015. Ferritic and Austenitic Welds in High Strength Steels: Metallurgical

Characterization and Weldability Evaluation, 2015 FABTECH International and AWS Show, AWS, Chicago IL,

November 2015.

75. McVicker N., B. Alexandrov, 2015. Cold Metal Transfer Overlays on Low Alloy Steel for Nuclear Power Repair,



76. O’Brien E., B. Alexandrov, 2015. Solidification Cracking of Dissimilar Metal Welds in Internally Clad X65 Pipes

with Low Alloy Steel Filler Metal, 2015 FABTECH International and AWS Show, AWS, Chicago IL, November

2015.

77. Penso G., B. Alexandrov, 2015. Precipitation Behavior in Multipass Welds of Ni-base Super Alloys, 2015

FABTECH International and AWS Show, AWS, Chicago IL, November 2015.

78. Riggs B., Alexandrov B., Benatar A., Xu Ray, 2015. Multi-Scale FEA Modeling of Brazed Joint Structures in

Nickel Superalloys for Gas Turbine Engine Applications, 2015 FABTECH International and AWS Show, AWS,


79. Rodelas J. M., B.T. Alexandrov, 2015. An Assessment of High-Temperature Shape Memory Alloy Weldability,


80. Stritch. K, B. Alexandrov, 2015. Microstructural Evolution and Its Effect on Mechanical Properties in Simulated

Heat Affected Zone Regions in Grade 91 Steel Welds, 2015 FABTECH International and AWS Show, AWS,


81. Suma E., B. Alexandrov, 2015. Metallurgical Characterization of Super Duplex Stainless Steel & Nickel Super

Alloy Dissimilar Metal Welds, 2015 FABTECH International and AWS Show, AWS, Chicago IL, November

2015.

82. Suh S., B. Alexandrov, 2015. Weldability Evaluation in Autogenous Welds of Alloys 230, 825, and 800H, 2015


83. Riggs B., Alexandrov B., Benatar A., Xu Ray, 2015. Multi-Scale FEA Modeling of Nickel Superalloys Brazed

Joints for Gas Turbine Engine Applications, Joining of Advanced and Specialty Materials XVII, MS&T’15, ASM

International, Columbus OH, October, 2015.

84. Penso G., B. Alexandrov, 2015. Microstructural Characterization of Dissimilar Metal Weld in Internally Clad

X65 Pipe with Ni-base Filler Metal, Joining of Advanced and Specialty Materials XVII, MS&T’15, ASM


85. O’Brien E., B. Alexandrov, 2015. Metallurgical Characterization of Dissimilar Metal Welds in Internally Clad

X65 Pipes with Low Alloy Steel Filler Metal, Joining of Advanced and Specialty Materials XVII, MS&T’15,

ASM International, Columbus OH, October, 2015.

86. Stritch K., B. Alexandrov, Microstructural Evaluation in the Heat Affected Zone of Grade 91 Steel Welds and its

Influence on Type IV Cracking, Joining of Advanced and Specialty Materials XVII, MS&T’15, ASM


87. Duffey M., B. Alexandrov, J. Lawmon, 2015. Ferritic and Austenitic Welds in High Strength Steels: Metallurgical

Characterization, Joining of Advanced and Specialty Materials XVII, MS&T’15, ASM International, Columbus

OH, October, 2015.

88. He M., B. Alexandrov, 2015. Effect of the Welding Process and Weld Geometry on the Susceptibility to Hydrogen

Assisted Cracking in 2205 DSS Welds in REAC Systems, Joining of Advanced and Specialty Materials XVII,

MS&T’15, ASM International, Columbus OH, October, 2015.

89. McVicker N., B. Alexandrov, 2015. Cold Metal Transfer Weld Overlays on Carbon Steel in Nuclear Power

Repair, Joining of Advanced and Specialty Materials XVII, MS&T’15, ASM International, Columbus OH,

October, 2015.

90. Suh S., B. Alexandrov, Weldability Evaluation in Autogenous Welds of Alloys 230, 825, and 800H, Joining of

Advanced and Specialty Materials XVII, MS&T’15, ASM International, Columbus OH, October, 2015.

91. Przybylowicz E., Alexandrov B., Lippold J. Evaluation of Solidification Cracking Susceptibility in High

Chromium, Ni-base Filler Metals using the Cast Pin Tear Test. 2014 FABTECH International and AWS Show,

AWS, Atlanta GA, November 2014.

92. Steiner J., Alexandrov. B, Feng X., Susceptibility to Hydrogen Assisted Cracking in Creep-Resistant Steel Grades

T12, T22, T23, and T24. 2014 FABTECH International and AWS Show, AWS, Atlanta GA, November 2014.

93. Wang H., Alexandrov B. Numerical Study of the Solidification Process in the Cast Pin Tear Test. 2014 FABTECH

International and AWS Show, AWS, Atlanta GA, November 2014.

94. Bourgeois D., Alexandrov B., Fenske J. Fracture Behavior of Hydrogen Assisted Cracking in Dissimilar Metal

Welds under Cathodic Protection. 2014 FABTECH International and AWS Show, AWS, Atlanta GA, November

2014.

95. Duffey M., Alexandrov B. Ferritic and Austenitic Welds in High Strength Steels: Metallurgical Characterization

and Weldability Evaluation. 2014 FABTECH International and AWS Show, AWS, Atlanta GA, November 2014.

96. McVicker N., Alexandrov B. Cold Metal Transfer Overlays on Low Alloy Steel for Nuclear Power Repair. 2014

FABTECH International and AWS Show, AWS, Atlanta GA, November 2014.


97. Alexandrov B., Strader K. Stress-Relief Cracking in Creep-Resistant Steel Welds. 2014 FABTECH International

and AWS Show, AWS, Atlanta GA, November 2014.

98. Ngan T., Alexandrov B. Metallurgical Characterization of High Strength Alloys: Competitive Evaluation of

Welding vs. Hot Induction Bending. 2014 FABTECH International and AWS Show, AWS, Atlanta GA,

November 2014.

99. Daniels T., Alexandrov B. Solidification Morphology and Segregation in Cold Metal Transfer Dissimilar Metal

Overlays on 304L Stainless Steel. 2014 FABTECH International and AWS Show, AWS, Atlanta GA, November

2014.

100. Riggs B., Alexandrov B., Benatar A. Multi-Scale FEA Modeling of Brazed Joint Structures in Ni-based

Superalloys for Gas Turbine Engine Applications. 2014 FABTECH International and AWS Show, AWS, Atlanta

GA, November 2014.

101. Alexandrov B., Strader K., Suma E., Wyan T. 2014. Development of CCT Diagrams in CGHAZ of Creep

Resistant Steel Welds. Joining of Advanced and Specialty Materials XVI, MS&T’14, ASM International,

Pittsburgh, PA, October, 2014.

102. Przybylowicz E., Alexandrov B., Lippold J. 2014. Evaluation of Solidification Cracking Susceptibility in High

Chromium, Ni-base Filler Metals using the Cast Pin Tear Test. Joining of Advanced and Specialty Materials XVI,

MS&T’14, ASM International, Pittsburgh, PA, October, 2014.

103. Wang H., Alexandrov B. 2014. Quantification of Solidification Cracking Susceptibility in Creep Resistant Steel

using Numerical Simulations of the Cast Pin Tear Test. Joining of Advanced and Specialty Materials XVI,

MS&T’14, ASM International, Pittsburgh, PA, October, 2014.

104. Alexandrov B., Steiner J., Feng X. 2014. Development of Continuous Cooling Transformation Diagrams for Weld

Metal of Creep-Resistant Steels. Joining of Advanced and Specialty Materials XVI, MS&T’14, ASM International,

Pittsburgh, PA, October, 2014.

105. Alexandrov B., Strader K. 2014. Stress-Relief Cracking in Creep-Resistant Steel Welds. Joining of Advanced and

Specialty Materials XVI, MS&T’14, ASM International, Pittsburgh, PA, October, 2014.

106. Daniels T., Alexandrov B. 2014. Application of Cold Metal Transfer Process for Dissimilar Structural Weld

Overlays on 304L Stainless Steel. Joining of Advanced and Specialty Materials XVI, MS&T’14, ASM

International, Pittsburgh, PA, October, 2014.

107. McVicker N., Alexandrov B. 2014. Cold Metal Transfer Weld Overlays on Carbon Steel in Nuclear Power Repair.

Joining of Advanced and Specialty Materials XVI, MS&T’14, ASM International, Pittsburgh, PA, October, 2014.

108. Bourgeois D., Alexandrov B., Fenske J. 2014. Understanding the Mechanisms that Control Hydrogen Assisted

Cracking in Dissimilar Metal Welds. Joining of Advanced and Specialty Materials XVI, MS&T’14, ASM

International, Pittsburgh, PA, October, 2014.

109. Riggs B., Alexandrov B., Benatar A. 2014. Multi-Scale FEA Modeling of Brazed Joint Structures in Ni-based

Superalloys for Gas Turbine Engine Applications. Joining of Advanced and Specialty Materials XVI, MS&T’14,

ASM International, Pittsburgh, PA, October, 2014.

110. Xu R., Riggs B., Alexandrov B., Benatar A. 2014. Multi-Scale Modeling of Braze Joint Structures in Ni-based

Superalloys for Gas Turbine Engine Applications. AWS Brazing Symposium, Phoenix, AZ, September 2014.

111. McVicker N., Daniels T., Alexandrov B. 2014. Application of CMT for Dissimilar Metal Structural Weld

Overlays in Nuclear Power Repair. 11th International EPRI Conference Welding and Repair Technology for

Power Plants, Naples, FL, June 2014.

112. Alexandrov B., Luskin T., Przybylowicz E., Wang H., Lippold J., McCracken S. 2004. Evaluation of

Solidification Cracking Susceptibility in High Chromium Ni-base Alloys with the Cast Pin Tear Test. 11th

International EPRI Conference Welding and Repair Technology for Power Plants, Naples, FL, June 2014.

113. Alexandrov B., Strader K., Steiner J., Feng X. 2004. Weldability Studies on Grade T23 and T24 Welds for Fossil

Power Application. 11th International EPRI Conference Welding and Repair Technology for Power Plants,

Naples, FL, June 2014.

114. Przybylowicz E., Luskin T., Alexandrov B., Lippold J., and McCracken S. 2014. Weldability Evaluation in High

Chromium, Ni-base Filler Metals, Cracking Phenomena in Welds IV, Federal Institute for Materials Testing,

Berlin, Germany, April in 2014.

115. Bourgeois D., Alexandrov B., Lippold J., and Fenske J. 2014. Controlling Factors of Hydrogen Assisted Cracking

in Dissimilar Metal Welds under Cathodic Protection, Cracking Phenomena in Welds IV, Federal Institute for

Materials Testing, Berlin, Germany, April in 2014.

116. Strader K., Alexandrov B., Lippold J. 2014. Stress-Relief Cracking in Simulated-Coarse-Grained Heat Affected

Zone of a Creep-Resistant Steel, Cracking Phenomena in Welds IV, Federal Institute for Materials Testing, Berlin,

Germany, April in 2014.


117. Luskin T.C., B.T. Alexandrov, J.C. Lippold, and S.L. McCracken, Development of a New Generation Cast Pin

Tear Test for Evaluation of Solidification Cracking in Weld Metals, 2012 FABTECH International and AWS


118. Luskin T.C., B.T. Alexandrov, J.C. Lippold, and S.L. McCracken, Investigation of the Weldability of High-Cr

Ni-Base Welding Filler Materials, 2012 FABTECH International and AWS Show, AWS, Chicago IL, November

2013.

119. Bourgeois D., B.T. Alexandrov, J.C. Lippold, and J. Fenske, Hydrogen Assisted Cracking in Dissimilar Metal

Welds under Cathodic Protection: Hydrogen Kinetics, Fracture Behavior, and Heat Treatment, 2012 FABTECH


120. Bourgeois D., B.T. Alexandrov, J.C. Lippold, and S. Shi, Application of the Delayed Hydrogen Cracking Test:

Ranking Susceptibility of Welds to Hydrogen-Assisted Cracking under Cathodic Protection, 2012 FABTECH


121. Ngan T.Y., B.T. Alexandrov, J.C. Lippold, and J. Lawmon, Metallurgical Characterization of High Strength

Alloys: Competitive Evaluation of Welding versus Hot Induction Bending, 2012 FABTECH International and

AWS Show, AWS, Chicago IL, November 2013.

122. Feng X., K.C. Strader, J.M. Steiner, B.T. Alexandrov, and J.C. Lippold, Quantitative Microstructure Analysis in

Grade T22 steel Welds, 2012 FABTECH International and AWS Show, AWS, Chicago IL, November 2013.

123. Strader K.C., B, T. Alexandrov, and J.C. Lippold, Development of CCT Diagrams for the CGHAZ of Creep-

Resistant Steels, 2012 FABTECH International and AWS Show, AWS, Chicago IL, November 2013.

124. Strader K.C., B, T. Alexandrov, and J.C. Lippold, Stress-Relief Cracking in Creep-Resistant Steel Welds, 2012


125. Steiner J.M., X. Feng, B.T. Alexandrov, and J.C. Lippold, Susceptibility to Hydrogen Assisted Cracking in Creep-

Resistant Steel Welds, 2012 FABTECH International and AWS Show, AWS, Chicago IL, November 2013.

126. Steiner J.M., B.T. Alexandrov, and J.C. Lippold, Development of Continuous Cooling Transformation Diagrams

for Weld Metal of Creep-Resistant Steels, 2012 FABTECH International and AWS Show, AWS, Chicago IL,

November 2013.

127. Riggs B., B.T. Alexandrov, A. Benatar, Multi-Scale FEA Modeling of Brazed Joint Structures in Ni-based

Superalloys for Gas Turbine Applications, 2012 FABTECH International and AWS Show, AWS, Chicago IL,

November 2013.

128. McVicker N., T. Daniels, E. Przybylowicz, B.T. Alexandrov, J.C. Lippold, Cold Metal Transfer Weld Overlays:

Application in Nuclear Power Repair, 2012 FABTECH International and AWS Show, AWS, Chicago IL,

November 2013.

129. Alexandrov B.T. and J.C. Lippold, Application of Cold Metal Transfer Process for Structural Weld Overlays and

Dissimilar Metal Welds, International Symposium Joining of Advanced and Specialty Materials XV, MS&T’13,

ASM International, Montreal Canada, October, 2013.

130. Alexandrov B.T., K.C. Strader, J.M. Steiner, X. Feng, and J.C. Lippold, Weldability of Grade T23 and T24 Creep

Resistant Steels, International Symposium Joining of Advanced and Specialty Materials XV, MS&T’13, ASM

International, Montreal Canada, October, 2013.

131. Mendoza I., D. Villalobos, B.T. Alexandrov, Influence of Beta Phase on Adiabatic Shear Band Formation,

International Symposium Joining of Advanced and Specialty Materials XV, MS&T’13, ASM International,

Montreal Canada, October, 2013.

132. Bourgeois D., B.T. Alexandrov, and J.C. Lippold, Metallurgical Characterization and Computational Modeling

of Carbon Behavior in F22-625 Dissimilar Metal Welds, International Symposium Joining of Advanced and

Specialty Materials XV, MS&T’13, ASM International, Montreal Canada, October, 2013.

133. Bourgeois D., B.T. Alexandrov, and J.C. Lippold, Ranking the Susceptibility to Hydrogen-Assisted Cracking in

Super Duplex Stainless Steel Welds by using the Delayed Hydrogen Cracking Test, International Symposium

Joining of Advanced and Specialty Materials XV, MS&T’13, ASM International, Montreal Canada, October,

2013.

134. Ngan T.Y., B.T. Alexandrov, J.C. Lippold, and J. Lawmon, Competitive Evaluation of Welding versus Hot

Induction Bending of Titanium Alloys, International Symposium Joining of Advanced and Specialty Materials

XV, MS&T’13, ASM International, Montreal Canada, October, 2013.

135. Alexandrov B.T., J.M. Steiner, K.C. Strader, X. Feng, and J.C. Lippold, Phase Transformations and

Microstructure in Gas Tungsten Arc Welds of Grade 23 Steel Tubing, Advances in Materials Technology for

Fossil Power Plants, 7th International Conference, EPRI, Waikoloa HI, October 2013.

136. Luskin T.C., B.T. Alexandrov, and J.C. Lippold, New Generation Cast pin Tear Test, 66th Annual Assembly of

IIW, Doc. IX-H-791-13, IIW, Essen Germany, September 2013.


137. Feng X., J.M. Steiner, B.T. Alexandrov, and J.C. Lippold, Effect of Microstructure on Susceptibility to Hydrogen

Assisted Cracking in Grade T24 Steel, 66th Annual Assembly of IIW, Doc. IX-2468-13, IIW, Essen Germany,

September 2013.

138. Ngan T., B.T. Alexandrov, J.C. Lippold, J.M. Lawmon, Metallurgical Characterization of High Strength Alloys:

Competitive Evaluation of Welding versus Hot Induction Bending, 2012 FABTECH International and AWS

Show, AWS, Las Vegas NV, November 2012.

139. Saltzmann D.R., B.T. Alexandrov, J.C. Lippold, Prediction of the Critical Temperatures in Grade 91 Steel Welds,

2012 FABTECH International and AWS Show, AWS, Las Vegas NV, November 2012.

140. Luskin T.C., B.T. Alexandrov, and S.L. McCracken, Improvement, Validation and Modeling of the Cast Pin Tear

Test, 2012 FABTECH International and AWS Show, AWS, Las Vegas NV, November 2012.

141. Alexandrov B.T., J.C. Lippold, K. Paulson, Cr-free Shielded Metal Arc Electrode and Filler Wire for Welding

Stainless Steels: Testing and Validation, International Symposium Joining of Advanced and Specialty Materials

XIV, MS&T’12, ASM International, Pittsburgh PA, October, 2012.

142. Saltzmann D.R., B.T. Alexandrov, J.C. Lippold, Characterization of the Response of Grade 91 Steel Welds to

Tempering, International Symposium Joining of Advanced and Specialty Materials XIV, MS&T’12, ASM

International, Pittsburgh PA, October, 2012.

143. Bourgeois D., B.T. Alexandrov, S. Shi, J.C. Lippold, Failure Mechanisms and Fracture Morphology of Hydrogen

Assisted Cracking in Steel F22/Alloy 625 Dissimilar Metal Welds, International Symposium Joining of Advanced

and Specialty Materials XIV, MS&T’12, ASM International, Pittsburgh PA, October, 2012.

144. Mendoza I., J.C. Lippold, B.T. Alexandrov, Solidification Behavior At Fusion Boundary Region In Dissimilar

Metal Welds, International Symposium Joining of Advanced and Specialty Materials XIV, MS&T’12, ASM

International, Pittsburgh PA, October, 2012.

145. Mendoza I., D. Villalobos, B.T. Alexandrov, J.M. Lawmon, Mechanism of Void Formation and Crack

Propagation during Induction Bending of Alloy Ti-6Al-4V, International Symposium Joining of Advanced and

Specialty Materials XIV, MS&T’12, ASM International, Pittsburgh PA, October, 2012.

146. Luskin T.C., B.T. Alexandrov, J.C. Lippold, S.S McCracken, Preliminary Finite Element Analysis and

Optimization of the Cast Pin Tear Test, 10th International Seminar Numerical Analysis of Weldability, Technische

Universität Graz, Seggau, September (2012).

147. Alexandrov B.T., J.C. Lippold, Use of the Cast Pin Tear Test to Study Solidification Cracking, 65th Annual

Assembly of IIW, Doc. IX-2388-12, IIW, Denver CO, July 2012.

148. Alexandrov B.T., J.C. Lippold, J.W. Sowards, Hydrogen Assisted Cracking in the Fusion Boundary Region of

Ni-base Alloy Overlays Applied to Carbon Steels, 65th Annual Assembly of IIW, Doc. II-1815-12, IIW, Denver

CO, July 2012.


Tempering: An Update, Welding and Repair Technology for Power Plants X, Paper F2 EPRI, Marco Island FL,

June 2012.

150. Alexandrov B.T., J.C. Lippold, T.C. Luskin, A.T. Hope, B. Sutton, An Update on the Weldability of High

Chromium Nickel-Base Filler Metals for Nuclear Power Applications, Welding and Repair Technology for Power

Plants X, Paper N4 EPRI, Marco Island FL, June 2012.

151. Luskin T.C., B.T. Alexandrov, J.C. Lippold, S.S McCracken, Development and Validation of a New Generation

Cast Pin Tear Test, Welding and Repair Technology for Power Plants X, Paper G4 EPRI, Marco Island FL, June

2012.

152. Alexandrov B.T., A.T. Hope, B.J. Sutton, J.W. Sowards, J.C. Lippold, S.S McCracken, Susceptibility to

Solidification Cracking in High Chromium Nickel-Base Filler Metals for Nuclear Power Application,

International Conference Trends in Welding Research 9, ASM International, Chicago IL, June 2012.

153. Alexandrov B.T., E.K. Gould, J.C. Lippold, Microstructure control in High Strength Steel Welds, International

Conference Trends in Welding Research 9, ASM International, Chicago IL, June 2012.

154. Alexandrov B.T., Shu Shi, J.M. Rodelas, J.C. Lippold, A New Test for Evaluation of Susceptibility to Hydrogen

Assisted Cracking in Dissimilar Metal Welds, NACE Corrosion 2012, Salt Lake City, March (2012).


Tempering, 2011 FABTECH International and AWS Show, AWS, Chicago IL, November 2011.

156. Gould E.K., J.C. Lippold, B.T. Alexandrov, Constitution Diagram for Dissimilar Metal Welds, 2011 FABTECH


157. Kullman N.A, B.T. Alexandrov, J.C. Lippold, J.M. Lawmon, Metallurgical Characterization of High Strength

Alloys for Development and Optimization of Induction Bending Process, 2011 FABTECH International and AWS



158. Alexandrov B.T., Shu Shi, J.M. Rodelas, J.C Lippold, Hydrogen Assisted Cracking in Dissimilar Metal Welds:

A New Test Ranks HAC Susceptibility in Dissimilar Welds, 2011 FABTECH International and AWS Show,

AWS, Chicago IL, November 2011.

159. Saltzmann D.R., B.T. Alexandrov, J.C. Lippold, Optimization of an SMAW Consumable for Grade 91 Creep

Strength Enhanced Ferritic Steel in Power Generation Application, International Symposium Joining of Advanced

and Specialty Materials XIII, MS&T’11, ASM International, Columbus OH, October, 2011.

160. Gaal B., B.T. Alexandrov, J.C. Lippold, Flux Coating Modification in ENiCrMo-4 and WNiMo-10 Shielded

Metal Arc Welding Consumables, International Symposium Joining of Advanced and Specialty Materials XIII,

MS&T’11, ASM International, Columbus OH, October, 2011.

161. Alexandrov B.T., M. Gonser, B. Gaal, J.C. Lippold1, K. Paulson, F. Turner, W. Newell, Introduction and

Validation of Cr-free Consumables for Welding Stainless Steels, International Symposium Joining of Advanced

and Specialty Materials XIII, MS&T’11, ASM International, Columbus OH, October, 2011.

162. Alexandrov B.T., J.M. Rodelas, M.R. Kittila, J.C. Lippold, D.A. Metzler, Continuous Heating and Cooling

Diagram in Ni-base Super Alloy 282, International Symposium Sustainability of Ni-base Super Alloys, MS&T’11,


163. Kullman N.A, B.T. Alexandrov, J.C. Lippold, Metallurgical Characterization of Armor Alloys for Development

and Optimization of Induction Bending Process, International Symposium Joining of Advanced and Specialty

Materials XIII, MS&T’11, ASM International, Columbus OH, October, 2011.

164. Alexandrov B.T., Shu Shi, J.M. Rodelas, J.C Lippold, Evaluation of the Susceptibility to Hydrogen Assisted

Cracking in Dissimilar Metal Welds, International Symposium Environmentally Assisted Cracking, MS&T’11,


165. Wang L., B.T. Alexandrov, J.C. Lippold, New Predictive Formulae for the A1 Temperature in Grade 91Steel,

Welding and Fabrication Technology for New Power Plants, 2nd International EPRI Conference, EPRI, Orlando

FL, June 2011.

166. Saltzmann D.R., B.T. Alexandrov, J.C. Lippold, Phase Transformation Behavior in Grade 91 Weld Metal,

Welding and Fabrication Technology for New Power Plants, 2nd International EPRI Conference, EPRI, Orlando

FL, June 2011.

167. Alexandrov B.T., B.B. Alexandrov, A.T. Hope, J.C. Lippold, S. McCracken, Improvement and Modeling of

Solidification Process in the Cast Pin Tear Test, Welding and Fabrication Technology for New Power Plants, 2nd

International EPRI Conference, EPRI, Orlando FL, June 2011.

168. Alexandrov B.T., J.W. Sowards, A.T. Hope, B.J. Sutton, J.C. Lippold, S. McCracken, Susceptibility to

Solidification Cracking in High Chromium Nickel-Base Weld Alloys, Welding and Fabrication Technology for

New Power Plants, 2nd International EPRI Conference, EPRI, Orlando FL, June 2011.

169. Alexandrov B.T., J.C. Lippold, K. Paulson, Introduction and Validation of Cr-free Consumables for Welding

Stainless Steels, poster presentation, 2011 Partners in Environmental Technology Technical Symposium &

Workshop, ESTCP, Washington DC, November 2011.

170. Alexandrov B.T., J.W. Sowards, A.T. Hope, J.C. Lippold, Dissimilar Weldability of Steels to Ni-base Alloys.

Part I: Metallurgical Characterization, 2010 FABTECH International and AWS Show, AWS, Atlanta GA,

November 3, 2010.

171. Sowards J.W., B.T. Alexandrov, A.T. Hope, J.C. Lippold, Dissimilar Weldability of Steels to Ni-base Alloys.

Part II: Carbon Behavior during PWHT, 2010 FABTECH International and AWS Show, AWS, Atlanta GA,

November 3, 2010.

172. Paulson K.P., J. Wang, N. Topham, C.Y. Wu, B.T. Alexandrov, John C. Lippold, O.S. Es-Said, Alternatives for

Joining Stainless Steel to Reduce Cr(VI) Emissions and Occupational Exposures, 2010 Ship Production

Symposium, Bellevue, WA, 3-5 November 2010.

173. Wang L., B.T. Alexandrov, J.C. Lippold, Predictive Equations for the Critical Transformation Temperatures in

Creep Strength Enhanced Ferritic Steels, International Symposium Joining of Advanced and Specialty Materials

XII, MS&T’10, ASM International, Houston TX, October 18, 2010.

174. Gould E.K., J.C. Lippold, B.T. Alexandrov, Constitution Diagram for Dissimilar Metal Welds in Alloy Steels

and Nickel-base Alloys, International Symposium Joining of Advanced and Specialty Materials XII, MS&T’10,

ASM International, Houston TX, October 18, 2010.

175. Alexandrov B.T., S. Shi, J.C. Lippold, M.S. Thomas, Development of Screening Test for Hydrogen Assisted

Cracking in Dissimilar Metal Welds, International Symposium Joining of Advanced and Specialty Materials XII,

MS&T’10, ASM International, Houston TX, October 18, 2010.


176. Alexandrov B.T., J.C. Lippold, J.W. Sowards, A.T. Hope, Metallurgical Characterization and Weldability in

Dissimilar Metal Welds of Steels to Ni-base Alloys, International Symposium Joining of Advanced and Specialty

Materials XII, MS&T’10, ASM International, Houston TX, October 18, 2010.

177. T. Lolla, S. S. Babu, G. Cola, B. Alexandrov, "Microstructure Evolution during Rapid Thermal Processing of

Low Alloy Steels", MS&T’10, ASM International, Houston TX, October, 2010.

178. Alexandrov B.T., J.C. Lippold, Phase Transformation Analysis in Aerospace Alloys, Fifth International

EWI/TWI Seminar Joining of Aerospace Materials, EWI, Cincinnati OH, September 21, 2010.

179. Alexandrov B.T., J.C. Lippold, Phase Transformation Behavior in CSEF Welds, Sixth International Conference

on Advances in Materials Technology, paper 2B-08, EPRI, Santa Fe NM September 2, 2010.

180. Alexandrov B.T., E.K. Gould, J.C. Lippold, Microstructure Control in HSLA Steel Welds, 63rd Annual Assembly

of the International Institute of Welding, Doc. II -A-216-10 / IX-L-1069-10, IIW, Istanbul Turkey, July 12, 2010.

181. Tatman J.K., L. Wang, B.T. Alexandrov, J.C. Lippold, Determination of the Critical Temperatures in CSEF Steel

Welds for Power Generation Applications, 63rd Annual Assembly of the International Institute of Welding, Doc.

IX-C-1012-10, IIW, Istanbul Turkey, July 12, 2010.

182. Alexandrov B.T., J.C. Lippold, J.W. Sowards, A.T. Hope, Weldability in Dissimilar Metal Welds of Steels to Ni-

base Alloys, 63rd Annual Assembly of the International Institute of Welding, Doc. IX-C-1012-10, IIW, Istanbul

Turkey, July 12, 2010.

183. Alexandrov B.T., J.C. Lippold, A.T. Hope, B. Sutton, S.S. McCracken, Hot Cracking Study of High Chromium

Nickel-Base Weld Filler Metals, Welding and Repair Technology for Power Plants, 9th International EPRI

Conference, paper N11, EPRI, Sanibel FL, June 24, 2010.

184. Alexandrov B.T., J.C. Lippold, Development of Database for the Critical Transformation Temperatures in CSEF

Steel Welds, Welding and Repair Technology for Power Plants, 9th International EPRI Conference, paper F8,

EPRI, Sanibel FL, June 24, 2010.

185. Wang L., B.T. Alexandrov, J.C. Lippold, Predicting the Critical Phase Transformation Temperatures in CSEF

Steels, Welding and Repair Technology for Power Plants, 9th International EPRI Conference, paper F11, EPRI,

Sanibel FL, June 24, 2010.

186. Alexandrov B.T., J.C. Lippold, Further Development of the Cast Pin Tear Test for Evaluating Solidification

Cracking in Ni-base Alloys, Third International Workshop Hot Cracking Phenomena in Welds, Columbus OH,

March 16, 2010.

187. Sowards J.W., B.T. Alexandrov, J.C. Lippold, D. Liang, G.S Frankel, Development of a Chromium-Free Ni-Base

Consumable for Joining Stainless Steel, 2009 FABTECH International and AWS Show, AWS, Chicago IL,

November 18, 2009.

188. McCracken S.S., B.T. Alexandrov, J.C. Lippold, J.W. Sowards, A.T. Hope, High Chromium Nickel-base Filler

Metals – Susceptibility to Solidification Cracking, 2009 FABTECH International and AWS Show, AWS, Chicago

IL, November 18, 2009.

189. Alexandrov B.T., J.C. Lippold, E.K. Gould, Microstructure Control in HSLA Steel Welds, 2009 FABTECH

International and AWS Show, AWS, Chicago IL, November 18, 2009.

190. Tatman J.K., V. Arnett, B.T. Alexandrov, J.C. Lippold, Determination of the Critical Temperatures in CSEF

Steels, International Symposium Joining of Advanced and Specialty Materials XI, MS&T’09, ASM International,

Pittsburgh PA, October 27, 2009.

191. Siefert J.A., B.T. Alexandrov, J.C. Lippold, J.M. Sanders, J.M. Tanzosh, Un Update on Transformations during

PWHT of Grade 91 Welds, International Symposium Joining of Advanced and Specialty Materials XI, MS&T’09,

ASM International, Pittsburgh PA, October 27, 2009.

192. Wang L., E. Taban, B.T. Alexandrov, J.C. Lippold, Predicting the Critical Temperatures in Creep Strength

Enhanced Ferritic Steel welds, International Symposium Joining of Advanced and Specialty Materials XI,

MS&T’09, ASM International, Pittsburgh PA, October 27, 2009.

193. Alexandrov B.T., J.C. Lippold, In-Situ Determination of Phase Transformations and Structural Changes during

Non-equilibrium Material Processing, In-Situ Studies with Photons, Neutrons and Electrons Scattering I, BAM,

Berlin, September 1, 2009.

194. Tatman J.K., V. Arnett, B.T. Alexandrov, J.C. Lippold, Determination of the Critical Temperatures in CSEF

Welds, International Conference Welds 2009, Paper S3-4, EPRI, Sanibel FL, June 25, 2009.

195. Alexandrov B.T., J.C. Lippold, E.K. Gould, Controlling the Microstructure in HSLA Pipeline Steel Welds, IIW

Doc. X-E-1049-08, IIW Commission X-E Pipelines Meeting, IIW, Cleveland OH, October 22, 2008.

196. Sowards J.W., B.T. Alexandrov, D. Liang, G.S. Frankel, J.C. Lippold, Development of a Ni-Cu Consumable for

Reduction of Hexavalent-Cr Emissions during Stainless Steel Welding, 2008 FABTECH International and AWS

Show, AWS, Las Vegas NV, October 7, 2008.


197. Tatman J.K., B.T. Alexandrov, J.C. Lippold, V. Arnett, Determination of the Critical Temperatures in Creep

Strength Enhanced Ferritic Power Plant Steels, 2008 FABTECH International and AWS Show, AWS, Las Vegas

NV, October 7, 2008.

198. Alexandrov B.T., J.C. Lippold, E.K. Gould, Microstructure Control in Welded Joints of HSLA Steels,

International Symposium Joining of Advanced and Specialty Materials XI, MS&T’08, ASM International,

Pittsburgh PA, October 8, 2008.

199. Alexandrov B.T., J.C. Lippold, Continuous Heating and Cooling Transformation Diagrams in Engineering

Alloys, Presentation at Ohio Aerospace Institute, Cleveland OH, June 6, 2008.

200. Alexandrov B.T., J.K. Tatman, G.M. Murray, J.C. Lippold, Non-equilibrium Phase Transformation Diagrams in

Engineering Alloys, International Conference Trends in Welding Research 8, ASM International, Gallaway

Gardens GA, June 3, 2008.

201. Alexandrov B.T., J.C. Lippold, Development and Application of CCT Diagrams for AHSS and HSLA Steels,

Joining Technology Meeting, Auto/Steel Partnership, South Field MI, November 27, 2007.

202. Alexandrov B.T., J.C. Lippold, N.E. Nissley, S.J. Norton, Novel tools for Alloy and Consumable Development,

AWS Welding Show 2007, AWS, Chicago IL, November 12, 2007.

203. Sowards J.W., B.T. Alexandrov, D. Liang, G.S. Frankel, J.C. Lippold, Development of a Ni-Cu Consumable for

Reduction of Hexavalent-Cr Emissions during Stainless Steel Welding, AWS Welding Show 2007, AWS, Chicago

IL, November 12, 2007.

204. Patel P.S., J.C. Lippold, M.G. Lozev, B.T.Alexandrov, R. Spencer, Hydrogen Induced Cracking and Advanced

NDE of Creep Resistant Steel Welds, AWS Welding Show 2007, AWS, Chicago IL, November 12, 2007.

205. Alexandrov B.T., J.C. Lippold, Evaluation of Repair Weldability in Ni-base Aerospace Alloys by the Cast Pin

Tear Test, International Symposium Joining of Advanced and Specialty Materials IX, MS&T’07, ASM

International, Detroit MI, September 18, 2007.

206. Alexandrov B.T., J.C. Lippold, K.Z. Izor, J.K. Tatman, Continuous Cooling transformation Diagrams in HSLA

Steel Welds, International Symposium Joining of Advanced and Specialty Materials IX, MS&T’07, ASM

International, Detroit MI, September 17, 2007.

207. Alexandrov B.T., J.C. Lippold, Non-Equilibrium Phase Diagrams for Engineering Alloys, 60th Annual Assembly

of the International Institute of Welding, IIW Doc. II-A-181-07, IIW, Dubrovnik Croatia, July 2, 2007.

208. Lippold J.C., B.T. Alexandrov, M.C. Juhas, S.J. Norton, M.F. Sinfield, M. Rubal, Simulation of Friction Stir

Welding and Friction Stir Processing, EWI Technology Conference Materials Joining: Building for the

Manufacturing Future, EWI, Columbus OH, May 5, 2007.

209. Alexandrov B.T., J.C. Lippold, N. E. Nissley, Evaluation of Weld Solidification Cracking in Ni-Base Superalloys

Using the Cast Pin Tear Test, Hot Cracking Phenomena in Welds II, BAM, Berlin, March 6, 2007.

210. Lippold J.C., J.W. Sowards, G.M. Murray, B.T. Alexandrov, A.J. Ramirez, Weld Solidification Cracking in Solid-

Solution Strengthened Ni-base Filler Metals, Hot Cracking Phenomena in Welds II, BAM, Berlin, March 6, 2007.

211. Alexandrov B.T. 2007. Single Sensor Differential Thermal Analysis. ASM Columbus Section Meeting, January

17, 2007.

212. , J.C. Lippold, A novel Technique for Studying of Phase Transformations. Part I: Single Sensor DTA,

Development and Verification, AWS Welding Show 2006, AWS, Atlanta GA, October 31, 2006.

213. Alexandrov B.T., J.C. Lippold, A novel Technique for Studying of Phase Transformations. Part II: Single Sensor

DTA, Range of Application, AWS Welding Show 2006, AWS, Atlanta GA, October 31, 2006.

214. Sowards J.W., B.T. Alexandrov, G.S. Frankel, J.C. Lippold, Development of a Cr-free Welding Consumable for

Reduction of Cr Fume Emissions, AWS Welding Show 2006, AWS, Atlanta GA, October 31, 2006.

215. Alexandrov B.T., J.C. Lippold, Single Sensor Differential Thermal Analysis: A novel Technique for Studying of

Phase Transformations, International Symposium Joining of Advanced and Specialty Materials VIII, MS&T’06,

ASM International, Cincinnati OH, October 18, 2006.

216. Alexandrov B.T., J.C. Lippold, Single Sensor Differential Thermal Analysis of Phase Transformations and

Structural Changes during Post Weld Heat Treatment, 59th Annual Assembly of IIW, IIW Doc. IX-2199-06, IIW,

Quebec City Canada, August 28, 2006.

217. Lippold J.C., G.S. Frankel, B.T. Alexandrov, M. Gonser, Y.H. Kim, and D. Liang, Development of Ni-Cu

Consumables for Welding of Austenitic Stainless Steels, Partners in Environmental Technology, DoD

Technical Symposium, Washington, D.C., December 2005.

218. Alexandrov B.T. and J. C. Lippold, Relationship Between the Solidification Temperature Range and Weld

Solidification Cracking Susceptibility of Stainless Steels and Ni-base Alloys, IIW Doc. IX-2163-05, 58th Annual

Assembly of IIW, Prague, July 2005.


219. Alexandrov B.T. and J. C. Lippold, Single Sensor Differential Thermal Analysis - A Novel Technique for

Studying Phase Transformations In Metals and Alloys, 3rd Annual Euroweld Seminar, Columbus, Ohio, June,

2005.

220. Alexandrov B.T. and J. C. Lippold, A New Methodology for Studying Phase Transformations in High Strength

Steel Weld Metal, 7th International Trends in Welding Research Conference, ASM, May 16-20, 2005, pp. 975-

980.

221. Alexandrov B.T., J. C. Lippold and W. A. Bruce, In Situ Weld Metal Continue Cooling Transformation

Diagrams, Poster Session, 86th AWS Annual Convention and Welding Show, Dallas, April 26-28, 2005.

222. Alexandrov B.T. and J. C. Lippold, Methodology for In Situ Investigation of Phase Transformations in Welded

Joints, IIW. Doc. IX-2114-04, 57th Annual Assembly of IIW, Osaka, Japan, July 2004.

223. Alexandrov B.T., K. Theis, M. Streitenberger, H. Herold and I. Martinek, Cold Cracking in Weldments of Steel

S690 QT, IIW Doc. IX-2115-04, 57th Annual Assembly of IIW, Osaka, Japan, July 2004.

224. Alexandrov B.T., Hydrogen Diffusion Coefficient and Modelling of Hydrogen Behaviour in Welded Joints of

Structural Steels, IIW Doc. IX-2063-03, 56th Annual Assembly of IIW, Bucharest, June 2003.

225. Alexandrov B.T., Evaluation of the influence of hydrogen on cold cracking in welded joints, IIW Doc. IX-

2020-02, 55th Annual Assembly of IIW, Copenhagen, June 2002.

226. Lolov N.V., M.G. Beloev, B.T. Alexandrov, M.L. Lozanov, Influence of Cooling Rate on Microstructure and

Impact Toughness in HAZ of Steel S355, 11th International Metallurgy and Materials Congress, Istanbul, June

2002.

227. Lolov N.V., B.T. Alexandrov and S.I. Serafimov, Duplex stainless steels – Properties and application,

International Seminar of BWS, Sozopol, 2003.

228. Alexandrov B.T., In situ CCT diagrams in HAZ of low alloy structural steels, ХVІІ National Conference NDE

2002, Sozopol, June 2002.

229. Alexandrov B.T., In situ investigation of the phase transformations in ferritic weld metal, ХVІІ National

Conference NDE 2002, Sozopol, June 2002.

230. Saev G.I., B.T. Alexandrov, M.N. Lolov and R. Rachkov, Procedures for welding and testing of bottles for

liquid gas, ХVІІ National Conference NDE 2002, Sozopol, June 2002.

231. Saev G.I. and B.T. Alexandrov, Comparison of methods for determination of preheat temperature in welding of

low alloy structural steels, International Conference AMTEX 2001, Sozopol, Bulgaria, October 2001.

232. Alexandrov B.T., Method for “in situ” determination of phase transformation temperatures in welded joints,

International Scientific Conference АМТЕCH ’99, TU Plovdiv, June 1999.

233. Alexandrov B.T., М.T. Тongov and М.L. Lozanov, About the applicability of a method for digital registration

of weld thermal cycles, International Scientific Conference АМТЕCH ’99, TU Plovdiv, June 1999.

234. Shelev A.N., М.T. Тongov, B.T. Alexandrov et. al., Possibilities for application of thermal spray layers,

International Scientific Conference АМТЕCH ’99, TU Plovdiv, June 1999.

235. Shelev A.N., N.V. Lolov, М.L. Lozanov, М.T. Тongov and B.T. Alexandrov, Observation, recording and

analysing of the electric arc process during gas metal arc welding, International Scientific Conference

АМТЕCH ’99, June 1999.

236. Alexandrov B.T. and G.I. Saev, Computer investigation of hydrogen behaviour in weldments, International

Congress "Mechanical Engineering Technologies", Sofia, September 1997.

237. Alexandrov B.T., An approach for investigation of the hydrogen behaviour during welding, Development of

Metallurgy in the Balkans at the Beginning of the XXIst Century, Varna, Bulgaria, May, 1996.

238. Alexandrov B.Т., Temperature relationship of hydrogen diffusion coefficient in welding conditions, Scientific

conference “50 years Dept. Materials Science and technology”, TU Sofia, 1995.


239. Shelev A.N., N.V. Lolov, S.I. Serafimov, B.T. Alexandrov et. al., Trends and achievements in the scientific

research on welding of metals at TU Sofia, Scientific conference “50 years Dept. Materials Science and

technology”, TU Sofia, 1995.

240. Alexandrov B.T. and G.I. Saev, Designed computer investigation of hydrogen behaviour in weldments,

Scientific Conference “АMTECH’95”, TU Rousse, April 19 – 21, 1995,.

241. Alexandrov B.T., Procedure for digital registration and analysis of the welding thermal cycle, VІІ Scientific

Session, Higher Military School for Transportation "T. Kableshkov", Sofia, November 1994.

242. Alexandrov B.Т., M.G. Mitev and E. Semov, Equipment for measurement of hydrogen in welded joints, VІІ

Scientific Session, Higher Military School for Transportation "T. Kableshkov", Sofia, November 1994.

243. Alexandrov B.T. and E.G. Ganchovski, Evaluation of susceptibility to cold cracking during laser beam welding

of high strength steels, ІV International Conference “Lasers 90”, Plovdiv, Bulgaria, 23 –26 October 1990.

Selected Research Reports 1. B.T. Alexandrov, J.C. Lippold, J. Rodelas, Y.Y. Li, M. Hahn, E. Birkinbine, M. Kitilla, Development of

Continuous Heating and Cooling Diagram in Ni-Base Super Alloy 725, Project Report to GE Global Research,

December 2010.

2. Alexandrov B.T., J.C. Lippold, J. Rodelas, Kitilla, B. Sutton, D. Saltzmann, Development of CCT Diagram in

Ni-Base Alloy 706, Project Report to GE Gas Turbines, December 2009.

3. Alexandrov B.T., J.C. Lippold, A.T. Hope, B. Sutton, Metallurgical Characterization of Magnesium Alloys,

Project Report to American Engineering and Manufacturing, December 2009.

4. Alexandrov B.T., J.C. Lippold, H. Cluxton, Metallurgical Characterization and Fractography of Grade 5 titanium

Welds, Project Report to American Engineering and Manufacturing, April 2009.

5. Alexandrov B.T., J.C. Lippold, J.W. Sowards, E.K. Gould, A.T. Hope, D. Saltzmann, Embrittlement Mechanisms

in the Fusion Zone of Alloy 625 Weld Deposits on Steel 8630, Project Report to BP American Production Co,

Shell International, and Total, June 2009.

6. Alexandrov B.T., D. Saltzmann, Determination of Non-equilibrium Precipitation Temperature Ranges of

Gamma-Prime Precipitation in a Nickel Base Super Alloy, Project Report to GE Global Research, December

2008.

7. Alexandrov B.T., J.C. Lippold, R. Unocic, M. Gordon, A.T. Hope, H. Cluxton, Transformation behavior and

Microstructure Evaluation in the Fusion Zone of Alloy 625 Weld Deposits on Steel 8630, Project Report to BP

American Production Co, December 2008.

8. Alexandrov B.T., J.C. Lippold, D. Saltzmann, H. Cluxton, Development of a Continuous Cooling Transformation

Diagram for EAFB Steel, Project Report to American Engineering and Manufacturing, November 2008.

9. Alexandrov B.T., Determination of Beta Transus and Silicide Precipitation Temperatures in Alloy Ti 1100,

Project Report to NASA John Glenn Research Center, April 2008.

10. Alexandrov B.T., Determination of the Critical temperatures in Weld Metal of Steel P91 Consumables Produced

by Bohler, Project Report to Bohler Welding Group, May 2008.

11. Alexandrov B.T., J.C. Lippold, V. Arnett, Testing the Susceptibility to Solidification Cracking in Hastelloy

casting Alloys by the cast Pin Tear Test, Project Report to Rosemount, Inc., March 2008.

12. Alexandrov B.T., V. Arnett, Determination of Phase Transformation Temperatures during Cooling in Steel

forgings, Project Report to Scot Forge, October 2007.

Teaching Aids

1. Alexandrov B. T., Manual for Laboratory Exercises in Welding Engineering, electronic format, Library of TU

Sofia, 2002.

2. Shelev Al., B. Alexandrov, Composite Materials – Selected Chapters, textbook, published by TU Sofia, 1998,

ISBN 954 438 220-2.

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