Influence of cold rolling deformation mechanisms on the grain refinement of Fe–15Mn–10Cr–8Ni–4Si austenitic alloy

Abstract The efficiency of rolling deformation mechanisms on grain refinement during recrystallization annealing was studied in Fe–15Mn–10Cr–8Ni–4Si austenitic alloy samples rolled to different strains at 0, 25, 100 and 200 °C. Two deformation routes were examined: rolling to a fixed strain (r) of 48% and rolling to strains of 55, 67, 88 and 93%, which were identified as the maximum allowable strains achieved in the alloy at 0, 25, 100 and 200 °C, respectively. The increase in rolling temperature changed the major deformation mechanism from deformation-induced e-martensitic transformation (e-MT) at 0