A thermodynamic study on an associated solution model for liquid alloys
作者： Rainer Schmid , Y.Austin Chang
DOI: 10.1016/0364-5916(85)90004-5
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摘要: Abstract Liquid alloys with a rapid increase of component activities over narrow composition range may be modelled by an associated solution model. Associated species fixed stoichiometry in that are postulated equilibrium elemental species. Palrwise interactions among all described Margules-type equations. The success this description is, course, not verification the physical existence thermodynamic background model is investigated study. For binary liquid alloys, key equations governing calculation internal presented graphically. Formulae for Gibbs energy, enthalpy and entropy mixing species-system developed related to corresponding effects alloys. formation very asymmetric twin miscibility gaps discussed. difference between energy real at pointed out. Limiting cases weak strong association discussed formulae terminal values activity coefficient partial developed. Structural properties Sn-Te calculated compared experimental data. A quantitative prediction data ternary multicomponent one major motivation precise suitable extension presented. other associate models sublattice models. Despite different picture, close phenomenological mathematical resemblance discovered
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