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

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

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Abstract

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
Volume220
Issue number1-2
DOIs
Publication statusPublished - 1 Apr 1995

Keywords

  • Excess volume effects
  • Liquid alloys
  • Thermodynamic modelling

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    Clavaguera-Mora, M. T., Comas, C., & Clavaguera, N. (1995). Contributions to the modelling of the thermodynamic behaviour of SeTe liquid solutions. Journal of Alloys and Compounds, 220(1-2), 39-47. https://doi.org/10.1016/0925-8388(94)06035-5