期刊
INTERNATIONAL JOURNAL OF MATERIALS RESEARCH
卷 100, 期 2, 页码 208-217出版社
CARL HANSER VERLAG
DOI: 10.3139/146.110003
关键词
Silicon; Yttrium; Cerium; Magnesium; Phase diagrams
资金
- General Motors of Canada Ltd.
- Natural Sciences and Engineering Research Council of Canada
The binary Ce-Si and Y-Si systems have been critically evaluated based upon available phase equilibrium and thermodynamic data, and optimized model parameters have been obtained giving the Gibbs energies of all phases as functions of temperature and composition. The liquid solution has been modeled with the Modified Quasichemical Model to account for the short-range ordering. The results have been combined with those of our previous optimizations of the Mg-Si, Mg-Ce and Mg-Y systems to predict the phase diagrams of the Mg-Ce-Si and Mg-Y-Si systems. The predictions have been compared with available data.
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