纳米金属层状材料强塑性的界面调控

郑士建, 闫哲, 孔祥飞, 张瑞丰

Interface Modifications on Strength and Plasticity of Nanolayered Metallic Composites

ZHENG Shijian, YAN Zhe, KONG Xiangfei, ZHANG Ruifeng

图12 K-S取向Cu{111}//{110}Nb界面对应的位错形核特征[79]

Fig.12 Dislocation nucleation characteristics of Cu{111}//{110}Nb K-S interface[79] (a) structure of interface misfit dislocation ( binter—interface Burgers vector) (b) a dislocation loop is nucleated into Cu from the interface (σxx —strain tensor in xx-direction) (c) relative displacement vector of interface atoms