Thermodynamic analysis of the Co-Si system

An evaluation of the thermodynamic and phase diagram data for the Co-Si system has been made to provide a set of self-consistent thermodynamic description for all the phases. Redlich-Kister polynomials were used to describe the Gibbs energies of solution phases in the system. For the hcp and fcc Co...

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Bibliographic Details
Published in:Calphad 1992-04, Vol.16 (2), p.151-159
Main Author: Choi, S-D
Format: Article
Language:English
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Summary:An evaluation of the thermodynamic and phase diagram data for the Co-Si system has been made to provide a set of self-consistent thermodynamic description for all the phases. Redlich-Kister polynomials were used to describe the Gibbs energies of solution phases in the system. For the hcp and fcc Co solid solutions, the magnetic contribution to the Gibbs energy was taken into account. Various types of thermodynamic data, including heat capacities for the intermediate phases and enthalpies and free energies of mixing for the liquid phase were analyzed simultaneously with the phase diagram data. The optimized parameter set gives a satisfactory description of the experimental data.
ISSN:0364-5916
1873-2984
DOI:10.1016/0364-5916(92)90003-G