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10 BaTiO3界面的原子结构[47]

Fig.10 Interfacial atomic structure of BaTiO3[47] (a, b) high-resolution HAADF-STEM images of the interfacial phase at (111) grain boundaries on the [110] and [121¯] crystal band axes, (c) EDS showing Ti-rich interfacial phase, (d) EFTEM showing Ti-rich intergranular phase