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A new model to predict grain nucleation during dynamic recrystallization

ystarase's picture

http://www.magnet.ubc.ca/wiki/images/5/5a/Abhijit_Mg2012.pdf

 

Deformation in metals and alloys is accompanied by high hardening rates and high dislocation 

content. Static annealing of deformed metals or forming operations at elevated temperatures can 

lead to static and dynamic recrystallization (SRX and DRX). The resultant texture and hence the 

properties of such a material are determined by the nucleation and growth of recrystallized grains 

conditioned by the deformation. Nucleation in this research is postulated to occur in 

regions of the microstructure that have high (locally) stored energy adjacent to a low Nye tensor 

(relatively undeformed) zone. 

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