Contributions to the modelling of the thermodynamic behaviour of SeTe liquid solutions

M. T. Clavaguera-Mora, C. Comas, N. Clavaguera

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1 Citation (Scopus)


The contributions from the changes in volume which occur on isothermally mixing at constant pressure, or excess volume, in the analytical formulation of the difference between the thermodynamic quantities of mixing, such as enthalpy, entropy and Gibbs free energy, derived at constant volume and those derived at constant pressure are considered. The procedure followed is to express this difference in a power series expansion, in terms of the excess volume. Numerical calculations are performed to assess the effect of the excess volume on the thermodynamic mixing quantities. Finally, the treatment is applied to the calculation of the thermodynamic mixing quantities of SeTe liquid alloys at 773 K. The analysis shows that the agreement between the calculated and the experimental data is significantly improved when the excess volume contributions are considered. © 1995.
Original languageEnglish
Pages (from-to)39-47
JournalJournal of Alloys and Compounds
Issue number1-2
Publication statusPublished - 1 Apr 1995


  • Excess volume effects
  • Liquid alloys
  • Thermodynamic modelling


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