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Towards Understanding the Effect of Loading Direction on Fatigue Crack Behavior in Mg-3Al-Zn Magnesium Alloy

Zhanghu Shi1,2, Pan Tang2, Hua Rao2

  • 1College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China.

Microscopy Research and Technique
|April 3, 2025
PubMed
Summary

Magnesium alloy (AZ31) shows higher fatigue life when loaded in the normal direction (ND), where deformation involves twinning, compared to the rolling direction (RD), where slip dominates. This difference is due to varied crack initiation sites and propagation behaviors.

Keywords:
crack mechanismdeformation mechanismmagnesium alloystrain incompatibilitytension‐tension fatigue

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