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Thermodynamic modeling of binary and ternary metallic solutions

  • Physical Chemistry
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Abstract

A model is proposed for describing heat of mixing behavior in binary and ternary metallic solutions. The binary model, which has the form, ΔH M=α1 X 2 A X B +α2 X A X 2 B −α3 X 2 A X 2 B , whereX A andX B are mole fractions of componentsA andB and α1, α2, and α3 are constants, is applied to the heat of mixing values for 84 solid and liquid systems and the results are compared with the subregular model. The ternary model, which is composed of the sum of the binary equations and a ternary interaction term of the form α ABC X A X B X C , was applied to the Bi−Cd−Pb, Cd−Pb−Sn, and Cd−Pb−Sb systems. There was excellent agreement both as to the shapes of the isoenthalpy of mixing curves and as to the heat of mixing values in the ternary systems when the model was used to predict the experimental values.

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Authors and Affiliations

  1. Department of Materials Science and Metallurgical Engineering, University of Cincinnati, Cincinnati, Ohio

    R. L. Sharkey (Graduate Student Associate Professor), M. J. Pool (Professor) & M. Hoch (Head of Department)

Authors
  1. R. L. Sharkey
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  2. M. J. Pool
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  3. M. Hoch
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Sharkey, R.L., Pool, M.J. & Hoch, M. Thermodynamic modeling of binary and ternary metallic solutions. Metall Trans 2, 3039–3049 (1971). https://doi.org/10.1007/BF02814952

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  • DOI: https://doi.org/10.1007/BF02814952

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