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11 晶界协调变形机制[65,125,130,131]

Fig.11 Mechanism of coordinated grain boundary deformation (a) shear-coupled grain boundary migration accompanied by grain rotation[130] (b) coordinated grain boundary deformation governed grain shrinkage[125] (c) drag effect of triple junction on neighboring grain boundaries[131] (d) disconnection description of triple junction motion[65]