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A modified interaction parameter formalism for non-dilute solutions

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Abstract

A simple modification of the interaction parameter formalism for the thermodynamics of dilute solutions is proposed. The modified formalism reduces exactly to the standard formalism at infinite dilution and preserves the notation as well as the numerical values of the parameters. Hence, existing compilations of interaction parameters can be used directly in the modified formalism. However, the modified formalism is thermodynamically consistent at finite concentrations, whereas the standard formalism is not. Equations for first-order and higher-order modified formalisms are presented for systems of any number of components. In the first-order modified formalism: {fx1211-01}

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Authors and Affiliations

  1. Department of Metallurgical Engineering, Ecole Polytechnique de Montrεal, C.P. 6079, Succ. A, H3C 3A7, Montréal, PQ, Canada

    Arthur D. Pelton (Professor)

  2. Centre de Recherche en Calcul Thermochimique, Ecole Polytechnique de Montrεal, C.P. 6079, Succ. A, H3C 3A7, Montréal, PQ, Canada

    Christopher W. Bale (Co-Director)

Authors
  1. Arthur D. Pelton
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  2. Christopher W. Bale
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Pelton, A.D., Bale, C.W. A modified interaction parameter formalism for non-dilute solutions. Metall Trans A 17, 1211–1215 (1986). https://doi.org/10.1007/BF02665320

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  • DOI: https://doi.org/10.1007/BF02665320

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