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9 块体金属材料中不同晶界的疲劳开裂模式[98,99]
Fig.9 Fatigue cracking modes for different GBs in bulk metals
(a-c) fatigue cracking morphologies of the samples with a LAGB (a), a HAGB (b), and an incoherent twin boundary (ITB) (c)[98] (SB—slip band)
(d) orientation-dependent cracking mode for TB[99] (CTB—coherent twin boundary; θ1, θ2—critical angle values between different cracking modes for TB)