Abstract
AZ31 magnesium alloy strips have been cold-rolled to thickness reduction of 33% and followed by electropulse treatment (EPT) with different current parameters for 7s and furnace annealing for comparison. The results indicate that recrystallization is drastically accelerated by EPT and continuous recrystallization induced by EPT is strongly dependent on the current. Deformed coarse-grain boundaries together with extension twins (ET) bands provide sources for nucleation and are gradually consumed by recrystallization. A double peak texture was generated after recrystallization, which is associated with the promoted non-basal nucleation and the non-basal dislocations activities.
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