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The Ag–Au–Bi system has been thermodynamically assessed through the Calphad approach by combining recently derived experimental data, in particular the phase diagram equilibria and the integral enthalpies of mixing of its liquid phase. A good agreement is obtained between the calculation and the experimental data. The resulting assessment will be incorporated into the thermodynamic description of...
The Au–Bi system has been thermodynamically reassessed through the Calphad approach by combining new experimental data, in particular the enthalpies of mixing of the liquid phase recently available in the literature. A good agreement is obtained between the calculated and experimental invariant equilibria. The resulting assessment has been incorporated into the ternary thermodynamic description of...
In order to optimize the binary Ge-Te system available experimental data were critically compiled from the literature. The cubic high-temperature β-phase and the rhomboedric room-temperature α-phase were described by a two-sublattice model with one kind of defect (vacancies on germanium sites). The room-temperature orthorhombic γ-phase was treated as a stoichiometric compound, as there is a lack...
Thermochemical and phase diagram data taken from literature have been critically evaluated. For both the liquid and Ge-diamond phases, the excess Gibbs energies were described by the Redlich-Kister formula. Phase diagram and thermodynamic functions calculated from the optimized set of Gibbs energies are presented.
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