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5 fcc金属双晶中Σ11(113)晶界迁移的阶错机制[61,62]

Fig.5 Disconnection mechanism of Σ11(113) grain boundary migration in fcc metallic bicrystals (a) front view of GB disconnection from <110> orientation[61] (GB1-GB4—different GB segments divided by GB disconnections; H1, H2—single- and double-layer GB disconnections) (b) top and (c) perspective views of a GB disconnection from <113> orientation[62] ( τ —shear direction)