ND//< 111 > Recrystallization in Interstitial Free Steel: The Defining Role of Growth Inhibition
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Title |
ND//< 111 > Recrystallization in Interstitial Free Steel: The Defining Role of Growth Inhibition
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Creator |
KHATIRKAR, R
VADAVADAGI, B HALDAR, A SAMAJDAR, I |
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Subject |
IF steel
recrystallization deformation texture stored energy orientation pinning lankford constant LOW-CARBON STEELS ULTRA-LOW CARBON MODELING TEXTURE CHANGE IF-STEEL STATIC RECRYSTALLIZATION STRAIN LOCALIZATIONS ANNEALING TEXTURES PARTICLE-SIZE GAMMA-FIBER KINETICS |
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Description |
Hot band, fully recrystallized, interstitial free (IF) steel samples were cold rolled to 10-80% thickness reductions. After characterizing the developments in deformed microstructures, 50-80% deformed samples were fully recrystallized at 650 degrees C. Though different annealing times were used, use of a relatively lower annealing temperature and repeated trials ascertained absence of significant post-recrystallization grain coarsening. Recrystallization brought in a steady improvement in gamma-fibre (ND//< 111 >) and drop in theta-fibre (ND//< 100 >). The only exception was 80% prior deformed microstructure, where the trend was reversed: enforcing a drop in texture estimated normal anisotropy or (r) over bar value. The study brought out growth inhibition of recrystallized gamma-fibre grains, caused by non-gamma fibre bands and by orientation pinning of recrystallized gamma-gamma boundaries, as the mechanism behind the observed trend reversal.
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Publisher |
IRON STEEL INST JAPAN KEIDANREN KAIKAN
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Date |
2014-10-16T06:32:38Z
2014-10-16T06:32:38Z 2012 |
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Type |
Article
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Identifier |
ISIJ INTERNATIONAL, 52(5)894-901
http://dspace.library.iitb.ac.in/jspui/handle/100/15442 |
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Language |
en
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