Prediction of alloy surface tension using a thermodynamic database

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Authors

PICHA Radim VŘEŠŤÁL Jan KROUPA Aleš

Year of publication 2004
Type Article in Periodical
Magazine / Source CALPHAD-COMPUTER COUPLING OF PHASE DIAGRAMS AND THERMOCHEMISTRY
MU Faculty or unit

Faculty of Science

Citation
Field Physical chemistry and theoretical chemistry
Keywords Surface tension; Database; Liquid metals; Thermodynamics
Description A thermodynamic database, created for calculating of phase diagrams of low melting metals based on SGTE unary data and binary literature data, was used for calculating the surface tension of binary alloys. The excess Gibbs energy of the liquid phase from the thermnodynamic database was used for calculations using Butler eauation for binary systems. The surface tension and density of pure metals, necessary for these calculations, were taken from published experimental measurements. The computer code for this procedure is presented. A comparison of calculated results with experimental measurements of the surface tension of alloys is given.
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