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4 引入不同界面相以提高纳米结构材料的界面稳定性 [39, 40]

Fig.4 Improving the interfacial stability of nanostructured materials by introducing different complexions[39, 40] (a, b) three-dimensional atom probe tomography (APT) reconstruction of the nanograined Ni-Mo alloy, (c) softening and hardening in the nanograined Ni-Mo alloys, Cu/Nb composites with amorphous complexions, (d) TEM image of Cu/Nb composite, (e) TEM image of amorphous complexions, (f) schematic diagram of interaction between amorphous complexions and dislocations