Abstract
The Ga-Hg binary system was thermodynamically assessed by the CALPHAD method, but only configuration contributions were considered to the entropy of the liquid. The Mg-Hg binary system has not been assessed yet. In the assessments of the Ga-Hg and Mg-Hg binary systems, solutions including liquid and hcp (Mg) were treated as substitution solutions, of which the excess Gibbs energies were formulated with the Relich-Kister polynomial. The intermetallic phases in the Mg-Hg binary system, Mg3Hg, Mg5Hg2, Mg2Hg, Mg5Hg3, MgHg, and MgHg2, were described as stoichiometric compounds. Based on the reported experimental data and thermodynamic properties of the phase diagram, sets of self-consistent parameters describing all phases in the Ga-Hg and the Mg-Hg binary systems were obtained.
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Feng, Y., Wang, Rc., Peng, Cq. et al. Thermodynamic reassessment of Ga-Hg and Mg-Hg systems. J. Cent. South Univ. Technol. 16, 32–37 (2009). https://doi.org/10.1007/s11771-009-0005-7
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DOI: https://doi.org/10.1007/s11771-009-0005-7