EFFECT OF PRIOR RECOVERY ON THE RECRYSTALLIZATION OF CARBON STEEL
DOI:
https://doi.org/10.4314/njt.121.404Abstract
An investigation has been carried out, using optical metallography and hardness measurement methods, to ascertain the effect of prior-recovery heat-treatment on the rate of recrystallization in mild steel. The results reveal a definite correlation between the combined effect of cold-work and degree of recovery on the one hand, and recrystallization tendencies of mild steel on the other hand. Specimens with long-time prior-recovery treatment (up to 120 minutes) show longer recrystallization times than those without pre-recovery, annealing.
It is felt that as a result of prior-recovery, there is a remarkable reduction in recrystallization driving forces, and this ultimately leads to a change of the recrystallization process from the usual "discontinuous" to the characteristically sluggish "continuous" mechanism.
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