Abstract
A newly proposed theory to explain the occurrence of Dynamic Abnormal Grain Growth is the nucleation and growth of a few strain-free grains. To investigate this theory, an energy minimization recrystallization model within Monte Carlo Potts is employed. This work investigates the role of strain rate and initial grain size on the initiation and abnormal growth of new strain-free grains. Additionally, the behavior of the seldom used nucleation model is characterized. Behavior resembling Dynamic Abnormal Grain Growth is found to occur when the strain rate is below 0.001 n.d./MCS, or under conditions equivalent to low strain energy with large grain sizes.
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