Dynamic recrystallization (DRX) was investigated on two austenitic stainless steels of high (C=15 μg/g) and ultra high (C<5 μg/g) purity. After uniaxial compression at various temperatures and strain rates, the steady state microstructures developed during DRX were analyzed by SEM-EBSD. Unexpectedly, purity appears to have only limited effects on DRX when compared to grain growth following static recrystallization (SRX). This is likely to be due to a transition from low to high driving force behavior, with regards to solute drag.
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Gavard et al. (2000) studied this question.
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