Enhancing strength-ductility balance in AZ31 Mg alloy through single-shot laser shock peening and subsequent annealing

Abstract

This research demonstrates that single-shot laser shock peening followed by annealing significantly improves the strength−ductility balance of the AZ31 alloy. This is achieved by creating a heterostructure that reduces the dislocation density and enhances work hardening, thereby presenting a viable method for developing magnesium alloys with superior mechanical properties.