CuInconel 718合金Nb偏析影响机理的第一性原理研究
李亚敏, 张瑶瑶, 赵旺, 周生睿, 刘洪军

First-Principles Study on the Effect of Cu on Nb Segregation in Inconel 718 Alloy
LI Yamin, ZHANG Yaoyao, ZHAO Wang, ZHOU Shengrui, LIU Hongjun
图1 计算用超晶胞模型
(a) γ matrix (b) Ni-Fe-Cr-Nb (c) Ni18Fe6Cr6Cu
Fig.1 Supercell model for calculation