In this study, the vapor-liquid phase equilibrium compositions of tin-silver (Sn-Ag) and tin-indium (Sn-In) alloys in vacuum distillation were predicted based on the molecular interaction volume model (MIVM) and vacuum distillation theory, which can be used to precisely estimate the separation degree and the product composition in vacuum distillation. The calculated values of activities of components in Sn-Ag and Sn-In alloys are in good agreement with experimental data, which indicates that the method is reliable and convenient due to the MIVM has a clear physical basis and can predict the thermodynamic properties of multi-component liquid alloys using only two infinite dilute activity coefficients. This study provides an effective and convenient model on which to base refining simulations for Sn-based alloys.
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- Application of MIVM for Sn-Ag and Sn-In Alloys in Vacuum Distillation
- Springer International Publishing
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