Assessment of Co-Cr-Ni ternary system by CALPHAD technique

被引：0
|
作者：
Shuyu Yang
Min Jiang
Hongxiao Li
Yang Liu
Lei Wang
机构：
[1] Northeastern University,Key Laboratory for Anisotropy and Texture of Materials, Ministry of Education
来源：
Rare Metals | 2012年 / 31卷
关键词：
Co-Cr-Ni; phase diagram; CALPHAD; Co-based superalloys; alloy design;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The Co-Cr-Ni ternary system was critically assessed using the CALPHAD technique. The solution phases including the liquid, γ(Co,Ni), ɛCo and αCr phases were described by a substitutional solution model. The σ phase was characterized by a three-sublattice model of (Co,Ni)8Cr4(Co,Cr,Ni)18 in order to reproduce its homogeneity range determined by experiments. A self-consistent set of thermodynamic parameters for each phase was derived.
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页码：75 / 80
页数：5
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