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Thermodynamic assessment of the Cu−Pt system

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Abstract

A CALPHAD assessment of the Cu−Pt system has been carried out. Two and four sublattice models were applied to describe the Gibbs free energies of ordered phases where the contribution of SRO is taken explicity into account through the reciprocal parameters. The disordered fcc A1 and liquid phases were treated as substitutional solutions. A consistent set of parameters for the phases in the Cu−Pt system as obtained, and those parameters can satisfactorily reproduce the experimental phase equilibria and thermodynamic properties, such as enthalpies, activity of Cu, and long-range order parameters.

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  1. Computational Materials Science Center, National Institute for Materials Science, 1-2-1 Sengen, 305-0047, Tsukuba, Ibarki, Japan

    Taichi Abe, Bo Sundman & Hidehiro Onodera

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  1. Taichi Abe
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  2. Bo Sundman
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Abe, T., Sundman, B. & Onodera, H. Thermodynamic assessment of the Cu−Pt system. JPED 27, 5–13 (2006). https://doi.org/10.1361/105497196X92736

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  • DOI: https://doi.org/10.1361/105497196X92736

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