4.7 Article

Rate-dependent transition of dislocation mechanisms in a magnesium alloy

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Summary: The refinement of magnesium grains can enhance both its strength and ductility due to the activation of additional slip systems. Fine-grained magnesium exhibits improved work hardening and ductility compared to coarse-grained magnesium, with the activation of non-basal dislocations playing a key role in enhancing properties. The contributions of nano stacking faults on strengthening and ductilization, as well as their formation mechanism, are discussed in the study.

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