Abstract
Thermodynamic assessments have been made for the Cu-Sb and Sb-Zn binary systems by means of the CALPHAD technique. The Gibbs energies of the liquid, bcc, and fcc phases are described by a substitution solution model and a Redlich-Kister formalism. All of the compounds were treated as stoichiometric compounds. Moreover, the liquidus temperatures of the Zn-rich portion in the Sb-Zn system were measured to check the unusual shape reported by previous work. It was confirmed that the liquidus line is not peculiar but smooth. A consistent set of the thermodynamic parameters was optimized to obtain a better fit between calculated results and experimental data including phase diagram and thermodynamic quantities.
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Liu, X.J., Wang, C.P., Ohnuma, I. et al. Thermodynamic assessment of the phase diagrams of the Cu-Sb and Sb-Zn systems. JPE 21, 432–442 (2000). https://doi.org/10.1361/105497100770339608
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DOI: https://doi.org/10.1361/105497100770339608