晶界偏析以及界面相和纳米晶材料力学性能的调控

姜水淼, 明开胜, 郑士建

A Review on Grain Boundary Segregation, Interfacial Phase and Mechanical Property Adjusting-controlling for Nanocrystalline Materials

JIANG Shuimiao, MING Kaisheng, ZHENG Shijian

图7 镍晶界富Bi双原子层界面相的微观结构[17]

Fig.7 Complexions of polycrystalline Ni grain boundaries with Bi-rich diatomic layers[17] (a) initial grain boundary, (b) (c) brittle fracture along the grain boundary, (d) grain boundary model