Abstract
The thermodynamic assessment of the Sb-Sm and Sm-Sn binary systems have been carried out by using the CALPHAD (CALculation of PHAse Diagrams) method on the basis of the experimental data including phase equilibria and thermodynamic properties. The Gibbs free energies of the solution phases (Liquid, Bcc, Bct, Hcp and Rhombohedral phase) were described by the subregular solution model with the Relich-Kister polynomial, and those of the intermetallic compounds were described by the two-sublattice model. A consistent set of thermodynamic parameters has been derived for describing the Gibbs free energies of each phase in the Sb-Sm and Sm-Sn systems. A reasonable agreement was obtained between the calculated results and experimental data.
| Original language | English |
|---|---|
| Pages (from-to) | 129-135 |
| Number of pages | 7 |
| Journal | Calphad: Computer Coupling of Phase Diagrams and Thermochemistry |
| Volume | 47 |
| DOIs | |
| State | Published - Dec 2014 |
| Externally published | Yes |
Keywords
- CALPHAD method
- Rare earth alloys
- Thermodynamic calculation
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