R t lli tiRecrystallization Tt iTexture in Commercially...

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R t lli ti T t i Recrystallization T exture in Commercially Pure (CP) Titanium Commercially Pure (CP) Titanium S. Panda 1 , G. Kumar 2 , S. C. Mishra 1 , S. Suwas 3 and S. K. Sahoo 1 1 Department of Metallurgical & Materials Engineering, NIT Rourkela, 769008, India 2 Department of Metallurgical Engineering & Materials Science, IIT Bombay, Mumbai 400076 India Mumbai, 400076, India 3 Department of Materials Engineering, IISc Bangalore, 560012, India

Transcript of 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

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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.)

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on

φ =0oφ1=0ocuss

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φ1=0φ1 0

Rolling Cross-Rolling

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ARB Processing9/5/2014 7

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Rolling ARB Processing Cross-Rolling9/5/2014 8

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2m

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Ann

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Afte

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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.

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2m

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d S

am

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5m

An

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30m

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Annealed for 2min

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Annealed for 5min

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Annealed for 5min

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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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