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/SCT2005
SteelFuture for the Automotive IndustryEdited by Ingo von Hagen und Hans-Joachim Wieland
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Table of contents
Innovative steel sheets and products for applications in vehicles 1V. Schwich, Salzgitter AG, Salzgitter, Germany,U. Jaroni, ThyssenKrupp Stahl AG, Duisburg, Germany,F. Hirschmanner, voestalpine AG, Linz, Austria
Applications for bars and rods in the automotive industry 9K. Harste, E. Wustner, Saarstahl AG, Volklingen, P. van Hullen,R. Lange, Georgsmahenhutte GmbH, Georgsmarienhutte, Germany
Safety systems and concepts -today and in the future 18J. Kohler representing Schoneburg, DaimlerChrysler AG,Sindelfingen, Germany
Steel solutions to environmental challenges in automotivesupply chains 20D. Milbourn, J. Hunt, Corns Engineering Steels, Rotherham, England
Body structure I
Advanced steel body concepts for automotive lightweight design 28H.-G. Herrmann, DaimlerChrysler AG, Research Body andPowertrain, RBP, Stuttgart, Germany
Structural requirements and material selection in body development 32S. Gloger, T. Wanke, International Technical DevelopmentCenter (ITDC), Adam Opel AG, Russelsheim, Germany
The modular and flexible body concept of the NewSteelBody® 36O. Hoffmann, L Patberg, A. Gruneklee, ThyssenKrupp Stahl AG,Division Auto, Duisburg, Germany
Different modular BIW-concepts for truck cabs in steel 44R. Schulz, Wilhelm Karmann GmbH, Osnabriick, A. Kroff,Salzgitter Mannesmann Forschung GmbH, Salzgitter, Germany
IV
Body structure II
Hot dip galvanised dual phase steels for automotive applications 49S. Paul, U. Eggers, V. Flaxa, C. Fritzsche, T. Koll, SalzgitterMannesmann Forschung GmbH, Salzgitter, A, Georgiew,Salzgitter Flachstahl GmbH, Salzgitter, Germany
Cold-rolled complex-phase steels: AHSS materialwith remarkable properties 57T. Hebesberger, A. Pichler, C. Walch, M. Blaimschein,voestalpine Stahl GmbH, Linz, K. Spiradek-Hahn,ARC Seibersdorf research GmbH, Seibersdorf, Austria
Ultra high strength steel sheets for bodies, reinforcement parts,and seat frame parts of automobile 65H. Kawabe, K. Kawamura, K. Hasegawa, Y. Tanaka,JFE Steel corporation, Hiroshima, Y. Hosoya,JFE Steel corporation, Chiba, Japan
Properties of austenitic high manganese steels with inducedplasticity (L-IP® steels) 73H. Hofmann, S. Goklu, H. Richter, ThyssenKrupp Stahl AG, Dortmund,M. Menne, ThyssenKrupp Stahl AG, Duisburg, Germany
Longproducts I
Cold-formed shapes for high performance automotive components 81S. Engineer, EZM Edelstahlzieherei Mark, Wetter, Germany
Production of stress relieved steel bars for racks in steering systems 88N.Vieweg, A. Zoscher, Stahl Judenburg GmbH, Judenburg,H.Schollnhammer, G. Wolf, voestalpine Stahl Donawitz GmbH, Austria
Production and quality assurance of bright steel productsfor high performance components in fuel injection systems 96P. JanRen, F. Bodenstein, Mittal Steel Ruhrort GmbH, Duisburg,S. Engineer, EZM Edelstahlzieherei Mark, Wetter, Germany
Innovative process chains for crankshafts and gears 104B. Denkena, J. C. Becker, N. Kramer, F. Catoni,Institute of Production Engineering and Machine Tools (IFW),Hannover University, Garbsen, Germany
V
Longproducts II
New microalloyed steels for heavy duty forgings in cars and trucks 112J. Arndt, CDP Bharat Forge GmbH, Ennepetal, Germany
Development of an "as forged" microalloyed steel with hightorsional fatigue strength for truck crankshafts 120M.-T Perrot-Simonetta, M. Confente, Mittal Steel EuropeR &D, Amneville, France, H. Peipe, W. Hamann, ThyssenKruppGerlach GmbH (Groupe TKA), Homburg, Germany, X. Olagne,J.-D. Bertel, ThyssenKrupp Mavilor (Groupe TKA), L'Horme, France,P. JanBen, L Wishardt, Mittal Steel Rurhrort, Duisburg, Germany
High performance specific steels for engines of the future 128P. Daguier, P. Dierickx, O. Finot, Ascometal,Hagondange, Cedex, France
Management of defects for automotive components 137S. Engineer, EZM Edelstahlzieherei Mark GmbH, R. Lange,Georgsmarienhutte GmbH, H.-J. Wieland, Steel Institute VDEh,Germany
Cold formed steel sheets
Influences on the part quality in conventional deep drawingprocesses 144B.-A. Behrens, J.-W. Yun, C. Schaffner, C. Sunderkotter,Institute of Metal Forming and Metal Forming Machine Tools,University of Hanover, Garbsen, M. Kroning, I. Altpeter, M. Kopp,Fraunhofer Institute Nondestructive Testing,University Saarbrucken, Saarbriicken, Germany
High pressure sheet metal forming of large scale body structures 152M. Trompeter, R. Krux, W. Homberg, M. Kleiner Institute of FormingTechnology and Lightweight Construction (IUL),University of Dortmund, Dortmund, Germany
Press shop equipment for sheet part forming 160W. Neubert, V. Thorns, Technische Universitat Dresden,Dresden, Germany
Development of a crash management bumper system out ofadvanced high strenght taylored rolled steel 168C.-M. Honsel, A. Koritsch, Magma Cosma Europe, Sailauf, Germany
VI
Hot formed steel sheets
Press hardening steel (PHS): a new coating and process technology 172J. Faderl, voestalpine Stahl Linz GmbH, Linz, Austria,R. Vehof, Polynorm N. V., GM Bunschoten, Netherlands
Determination of the heat transfer during hot stamping 179M. Geiger, M. Merklein, C. Hoff, LFT, Erlangen, Germany
Forming of heat treatable-high strength steel sheets atelevated temperature 187H. Livatyali, Istanbul Technical University, Istanbul, M. Terziakin,Metalform Engineering. Ltd., Istanbul Technical University,Istanbul, Turkey
Improved formability of ultra high strength steels throughlocal heat treatment 196B. Carlsson, L Olsson, SSAB TunnplatAB, Sweden
Massive forming
The potential of massive formed parts - Unrivalled safetyand innovation 204H. U. Volz, Industrieverband Massivumformung e. V.,Hagen, Germany
New developments in bulk forming of power train components ofenhanced performance characteristics 213B. Lorenz, R. Glass, H. Hartwig, Fraunhofer Institut Werkzeug-maschinen und Umformtechnik, Chemnitz, Germany
Comparison between hobbed & precision forged helical gearsfor automobile manual transaxle - on the prospect of form, precision,material specification and production cost 221M. Ooka, Y. Kawasaki, H. Tsujimoto, T. Hoguchi, S. Yamazaki,M. Yoshinaga, O-oka Co., Toyota, Geust Prof. ChubuUniversity, Kasugai, I. Moriwaki, Institute of Technology, Kyoto,C. Kagaya, Chubu University, Kasugai, Japan
Ductile and yet solid? - Recent steel development in a classicconflict of targets 229W. Wosting, Winkelmann Dynaform Technik, Ahlen, Germany
VII
Case hardening of steel bars
Innovative heat treating technologies in the automotive industry 237K. Loser, ALD Vacuum Technologies GmbH, Hanau, Germany
Temperature - the key to optimize cost and result in carburizingvehicle driveline parts 245S. Hock, J. Kleff, I. Kellermann and M. Schulz, ZF Friedrichs-hafen AG, Friedrichshafen, Germany
Microalloying in case hardening steels - a challenge for thelean production of gears 256S. Trute, W. Bleck, Department of Ferrous Metallurgy,RWTH Aachen University, Aachen, F. Hippenstiel,Edelstahlwerke Buderus AG, Wetzlar, C. Klinkenberg,Niobium Products Company GmbH, Dusseldorf, Germany
Tailored solutions in case hardening steels for highpressuregas quenching 264F. Hippenstiel, R. Caspari, Edelstahlwerke Buderus AG,Wetzlar, Germany
Tailored products I
Lightweight components through custom rollforming in theautomotive industry 272G. Lengauer, voestalpine Krems GmbH, Krems, Austria
Improvement of hydroforming processes using tailoredsemi-finished tubes 279R. Gobel, S. Chatti, W. Homberg, M. Kleiner, R. Shankar,Institute of Forming Technology and Lightweight Construction,University of Dortmund, Dortmund, Germany
Third generation of Thyssen tailored tubes - a newcategory of tubular products 287T. Flehmig, M. Bruggenbrock, M. Kibben, S. Schwenecke,ThyssenKrupp Stahl, Duisburg, Germany
VIII
Tailored products II
Application of advanced high strength hot-rolled steelsto automotive chassis parts 299Y.-R. Cho, H.G. Kim, KG. Chin, POSCO, W.S. Lee, Hyundai MOBIS,Yongin, Korea, T. W. Kwon, Hwashin Co., Ltd, Yeongcheon, Korea
Non vacuum electron beam welding of zinc coatedhigh-strength steels 307F.-W. Bach, A. Beniyash, K. Lau, R. Versemann,Institute of Materials Science, University of Hanover,Hannover, Germany
Development of non-linear TWB parts 315J. Lee, C. S. Yoon, J. D. Lim, Hyundai Motor Company & Kia MotorsCorporation, Korea, H.-C. Park, Hyundai Hysco, Korea
Are light weight structures still affordable? - Cost modelfor tailored products 322D. Schwarz, L. Korves, ThyssenKrupp Tailored Blanks GmbH,Duisburg, T. Floth, ThyssenKrupp Stahl AG, Duisburg, Germany
Springs
Design and finite element analysis of the spring elementsfor automotive applications 330V. Kobelev, Technology Center, Muhr und Bender KG,Attendorn, Germany
High-strength steel in coil spring production 341H. Dziemballa, L. Manke, ThyssenKrupp Federn GmbH,Hagen, Germany
European supply chain for valve springs 349G. Barthold, Scherdel GmbH, Marktredwitz, Germany,D. Thureborn, M. Hallberg, Haldex Garphyttan AB,Garphyttan, Sweden, P. Janfien, MittalSteel Ruhrort GmbH/Mittal Steel Hochfeld GmbH, Germany
Evaluation of the cleanness of SiCr-spring steels forsuspension springs 357P. Valentin, A. Blasius, C. Bruch, Saarstahl AG,Volklingen, Germany
IX
Joining techniques and fasteners
Joining trends in automotive industry 367K.-D. Debschutz, DaimlerChrysler AG, Research and Technology,Ulm, Germany
Microalloyed steels for non heat treated ball studs and pins 374U. Urlau, S. Hasler, Moos Stahl AG, Emmenbrucke, Switzerland,J. Kruse, ZF Lemforder Fahrwerktechnik GmbH & Co. KG,Lemforde, Germany
Stainless steel fasteners - current status andrecent developments 384A. van Bennekom, A. Bauk and F. Wilke, EdelstahlwerkeSudwestfalen, Siegen, Germany.
Surface engineering I
Processing hot-dip galvanized AHSS grades:a challenging task 393A. Pichler, T. Hebesberger, E. Tragl, S. Traint, J. Faderl, G. Angeli,K. Kosters, voestalpine Stahl GmbH, Linz, Austria
High temperature galvanising 401T. Wesselow, SVG Siegener Verzinkerei GmbH, Siegen Germany
Analysis of the surface oxides on the steels whichcontrol phosphatability 409M. Nomura, I. Hashimoto, Kobe Steel, Ltd., Kobe, M. Kamura,S. Kozuma, Y. Omiya, Kobe Steel, Ltd., Kakogawa, Japan
Tailored steel strip coatings for modern car body andcorrosion concepts 416N. Samann, I. Rogner, S. Konig DOC Dortmunder OberflachenCentrum, Dortmund, Germany
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Surface engineering II
Status of corrosions protection primers for theautomotive industry 424P. Hoffmann-Loser, Adam Opel AG, Russelsheim, Germany,A. Schnell, DaimlerChrysler, Sindelfingen, Germany,K.-H. Stellnberger, F. M. Androsch, voestalpine Stahl,Linz, Austria, T. Reier, SZMF, Salzgitter, Germany,J. Lewandowski, ThyssenKrupp Stahl, Duisburg, Germany,C. Filthaut, DOC Dortmunder OberflachenCentrum, Dortmund,Germany, A. Besseyrias, Arcelor, Florange, France, C. Dane,Corns, Ijmuiden, The Netherlands, G. Steinbeck,Steel Institute VDEh, Dusseldorf, Germany
Pre-painted steel sheet - a qualified material forautomotive series production? 432B. StrauB, voestalpine Stahl GmbH, Linz, Austria,I. Rogner, DOC Dortmunder Oberflachencentrum, Dortmund, Germany
Long-wave textural components in sheet surfacesand their influence on painting results 440O. Deutscher, Betriebsforschungsinstitut (BFI) VDEh-lnstitutfur Angewandte Forschung GmbH, Dusseldorf, Germany
State-of-the-art surface inspection technology with parsytec 5i 448A. Jordan, M. Karlowitsch, Parsytec AG, Aachen, Germany
Microalloying concepts
The role of niobium in lightweight vehicle construction 456H. Mohrbacher, C. Klinkenberg, Niobium Products Company GmbH,Dusseldorf, Germany
Tailor-made steels for applications in commercialvehicle construction 464H. Luecken, B. Ehrhardt, H.-J.Tschersich, T. Niessen, H.-J. KaiserThyssenKrupp Stahl AG, Duisburg, Germany
Development of high strength deep drawing coldrolled steel sheets (AIF340) for automobiles 472X. Shi, AnGang Technique Center, AnGang, China
XI
Effect of niobium addition on mechanical properties of hotrolled TRIP-aided steel sheets for automotive application 473S. Hashimoto, CBMM Asia Co. Ltd., Tokyo, S. Ikeda, Kobe Steel Ltd.,Kobe, K.-i. Sugimoto, Shinshu University, Nagano, S. Miyake,Kobelco Research Institute, Inc. Kakogawa, Japan
Material parameters I
Determination of input data for numerical design of auto body sheetsteels: a joint project of the steel and automotive industries 481G. Steinbeck, Steel Institute VDEh, Dusseldorf, W. Bleck,Department for Ferrous Metallurgy, RWTH Aachen University,Aachen, C.-P. Bork, Federal Institute for Materials Research andTesting, Berlin, T. Evertz, Salzgitter Mannesmann Forschung GmbH,Salzgitter, A. Frehn, Benteler Automotive GmbH, Paderborn,R. Masendorf, Institute for Plant Engineering and Fatigue Analysis,Technical University of Clausthal, Clausthal-Zellerfeld, C. M. Sonsino,Fraunhofer-lnstitute for Structural Durability and System Reliability LBF,Darmstadt, Germany
Bake-hardening properties of TRIP and dual-phase steels 489W. Bleck, S. Bruhl, Department of Ferrous Metallurgy, RWTH AachenUniversity, Aachen, T.Gerber, Centre of Material Excellence,ThyssenKrupp Stahl AG, Dortmund, Germany
Using the bake hardening effect of hot rolled multiphase steelsfor weight optimised components 497H. Palkowski, T. Anke, Institut fur Metallurgie (MET), TU Clausthal,Clausthal-Zellerfeld, Germany
Material parameters II
Modern methods of material characterization during thedevelopment of new steels for automotive application 505M. Borsutzki, D. Mattissen, T. W. Schaumann, H.-J. Sieg,ThyssenKrupp Stahl AG, Duisburg, Germany
New techniques of the mechanical properties assessmentfor advanced high strength steel (AHSS) in automobile 516J. Fang, Baoshan Iron & Steel Co., Ltd., Baosteel, Shanghai, China
XII
Spot welding of high strength steel in automobile production 524B. Kalinowski, H. Kantereit, Adam Opel AG, Russelsheim, Germany
Microstructure - mechanical properties relationship ofdeep drawn pearlitic wires 531/. de Curiere, P. Lesoeurs, E. Depraetere, Manufacture Michelin,Clermont-Ferrand, France
Crash
High strain rate tensile testing of modern car body steels 539P. Larour, A. Baumer, W. Bleck, Department of Ferrous Metallurgy,RWTH Aachen University, Aachen, Germany
Influence of material model on crash simulations 547C. ten Horn, S. Carless, I. van Stijn, Corns ResearchDevelopment & Technology, Umuiden, The Netherlands
On modelling of the strain rate effect in automotive steels 555J. Larsson, SSAB Swedish Steel, Borlange, Sweden
Poster exhibition
Tailor welded blanks in high strength steel 563Q. Yan, Baoshan Iron and Steel Corp., Shanghai, China
Semi-hot stamping as an alternative to hot press forming 564T. Heller, F.-J. Lenze, M. Ruthenberg, ThyssenKrupp Stahl AG,Duisburg, Germany
New Multiphase-Bainitic-Steels with improved properties 565S. Detroy, D. Ponge, D. Raabe, Max-Planck-lnstitut furEisenforschung GmbH, Dusseldorf, Germany
Improvement of mechanical properties of spring steels throughapplication of thermomechanical treatment 566A. Ardehali Barani, D. Ponge, R. Kaspar, Max-Planck-lnstitutfur Eisenforschung GmbH, Dusseldorf, Germany
Modern carburising treatments and their influence on theendurance limit 567H. Bomas, S. Laue in cooperation with Fachgebiet Technische
XIII
Mechanik - Strukturmechanik of University Bremen,Stiftung Institut fur Werkstofftechnik, Bremen, Germany
Effect of parameter treatment on intermetallic compoundsobtained by galvanization 568Y. Benarioua, Departement de Genie Mecanique,Universite M'sila - Algerie
The need of web based application for formability analysis ofautomobile compenent 569R. S. Hingole, V. M. Mandedkar, Mechanical EngineeringDepartement, Amruptvahini College of Engineering,Sangamner, dist. Ahmednagar, Maharashtra, India
State of the art of steel thixoforming 570W. Bleck, W. Puttgen, Department of Ferrous Metallurgy,RWTH Aachen University, Germany
XIV
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