r t lli tirecrystallization tt itexture in commercially...
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R t lli ti T t iRecrystallization Texture in Commercially Pure (CP) TitaniumCommercially Pure (CP) Titanium
S. Panda1, G. Kumar2, S. C. Mishra1, S. Suwas3 and S. K. Sahoo1, , ,1 Department of Metallurgical & Materials Engineering, NIT Rourkela, 769008, India
2Department of Metallurgical Engineering & Materials Science, IIT Bombay, Mumbai 400076 IndiaMumbai, 400076, India
3Department of Materials Engineering, IISc Bangalore, 560012, India
Road-map
Introduction & Objectives
E i t l D t ilExperimental Details
Results & Discussion
Conclusion
Acknowledgement
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Recrystallization and Related Annealing Phenomenaby F. J. Humphreys and M. Hatherly, Elsevier Publication, 2004
Texture Development in Titanium and its Alloys:e tu e eve op e t ta u a d ts oys:
Recrystallization texture depends on both initial deformation condition andannealing temperature.
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Recrystallization Texture Development in CPTit iTitanium.
Effect of Strain Level and Strain Path on Texture Effect of Strain Level and Strain Path on TextureDevelopments in CP Titanium.
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CP-titanium(Grade-2)( )
Rolling ARB Processing Cross-Rollingg(90% Reduction)
g(6 Passes)
g(90% Reduction)
ARB: Accumulative
Progressive AnnealingRoll Bonding
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ARB Process – A Schematic (D. Terada et. al.)
on
φ =0oφ1=0ocuss
i
φ1=0φ1 0
Rolling Cross-Rolling
& D
isc
ults
&R
esu
φ1=0o
ARB Processing9/5/2014 7
ec 1
0 se
ng
Ann
eali
0sec
Afte
r A
3m
in
1m
Rolling ARB Processing Cross-Rolling9/5/2014 8
2m
in
ing
Ann
eal
min
Afte
r A
5m
in
30m
Rolling ARB Processing Cross-Rolling9/5/2014 9
Different Orientation
Before Rolling
After Rolling
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1: (10 11)1: (10-11)2: (10-12)3: (10-13) 4: (11-24)
Before Annealing Annealed-10s Annealed-30s
(11 24) Orientations have highest stored energy values9/5/2014 11
(11-24) Orientations have highest stored energy values.
2m
in
ples
d S
am
min
nnea
le
5m
An
in
30m
Rolling ARB Processing Cross-Rolling9/5/2014 12
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Annealed for 2min
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Annealed for 5min
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Annealed for 5min
Annealed for 30min
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[11-25] fibre texture is observed during annealing ofcp-titanium.
Annealing texture development of ARB processed Annealing texture development of ARB processedsamples is insignificant.
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AcknowledgementProf. I. Samajdar for Texture Measurement.jGovt. of India for Financial Support.
Thank YouThank YouFor Your Kind Attention!
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