多道次压缩变形对AZ80镁合金微观组织演化的影响

李振亮, 张欣磊, 田董扩

Effect of Multi-Pass Compression Deformation on Microstructure Evolution of AZ80 Magnesium Alloy

LI Zhenliang, ZHANG Xinlei, TIAN Dongkuo

图4 恒温、阶梯降温2类变形工艺的晶界分布

Fig.4 Grain boundaries distributions of constant-temperature deformation process at ε = 0.2 (a), ε = 0.4 (b), and ε = 0.6 (c); and step-cooling deformation process at ε = 0.6 (d) (The green lines represent subgrain boundaries, and the grain boundaries indicated by the red arrows are the bow-bend grain boundaries)