O原子对高温合金基体Ni、Co和NiCr晶界作用的理论计算分析

李昕, 江河, 姚志浩, 董建新

Theoretical Calculation and Analysis of the Effect of Oxygen Atom on the Grain Boundary of Superalloy Matrices Ni, Co and NiCr

LI Xin, JIANG He, YAO Zhihao, DONG Jianxin

图15 不同O含量的NiCr晶界拉伸断裂瞬间的原子分布

Fig.15 Atom positions in NiCr grain boundary when a fracture happens under different oxidized conditions