A thermodynamic assessment of the Co-V system

被引：26
|
作者：
Bratberg, J [1 ]
Sundman, B
机构：
[1] Swedish Inst Met Res, SE-11428 Stockholm, Sweden
[2] Royal Inst Technol, Dept Mat Sci & Engn, SE-10044 Stockholm, Sweden
来源：
JOURNAL OF PHASE EQUILIBRIA | 2003年 / 24卷 / 06期
关键词：
D O I：
10.1361/105497103772084534
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A thermodynamic evaluation of the binary Co-V system has been done using experimental thermochemical and phase diagram data. A consistent thermodynamic description, using a Redlich-Kister model for solution phases and sublattice models for the intermetallics, was obtained, and it agreed well with the critically evaluated experimental data. The model for the solid phases accounts for the magnetic contribution to the Gibbs energy. The addition of a composition dependent magnetic term also led to the prediction of an fcc-Co miscibility gap. The model parameters have been determined using a computerized optimization technique. Several diagrams and tables concerning phase equilibria are presented.
引用
收藏
页码：495 / 503
页数：9
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