金属材料的晶界塑性变形机制

王江伟, 陈映彬, 祝祺, 洪哲, 张泽

Grain Boundary Dominated Plasticity in Metallic Materials

WANG Jiangwei, CHEN Yingbin, ZHU Qi, HONG Zhe, ZHANG Ze

图1 晶界的宏观几何自由度示意图

Fig.1 Schematics of macroscopic geometric freedoms of grain boundaries (a) three-dimensional schematic of grain boundary geometry ( u —rotation axis; n —normal direction of grain boundary plane; θ—rotation angle; GB—grain boundary; G1, G2—neighboring grains) (b) low-angle grain boundary (LAGB)(c) high-angle grain boundary (HAGB)