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

被引：29
|
作者：
Yang Shuyu [1 ]
Jiang Min [1 ]
Li Hongxiao [1 ]
Liu Yang [1 ]
Wang Lei [1 ]
机构：
[1] Northeastern Univ, Key Lab Anisotropy & Texture Mat, Minist Educ, Shenyang 110004, Peoples R China
来源：
RARE METALS | 2012年 / 31卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Co-Cr-Ni; phase diagram; CALPHAD; Co-based superalloys; alloy design; MECHANICAL-PROPERTIES; GAMMA' EQUILIBRIUM; SIGMA-PHASE; SUPERALLOYS;
D O I：
10.1007/s12598-012-0466-y
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Co-Cr-Ni ternary system was critically assessed using the CALPHAD technique. The solution phases including the liquid, gamma(Co,Ni), E > Co and alpha Cr phases were described by a substitutional solution model. The sigma phase was characterized by a three-sublattice model of (Co,Ni)(8)Cr-4(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.
引用
收藏
页码：75 / 80
页数：6
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