多道次压缩变形对<strong>AZ80</strong>镁合金微观组织演化的影响

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9 恒温、阶梯降温变形工艺的几何必需位错密度(ρ^GND)统计图

Fig.9 Geometrical necessary dislocation density (ρ^GND) statistical maps 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)