首页|Surface Tension, Density, and Molar Volume of Liquid Sb-Sn Alloys: Experiment Versus Modeling
Surface Tension, Density, and Molar Volume of Liquid Sb-Sn Alloys: Experiment Versus Modeling
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Through the application of the maximum bubble pressure and dilatometric method, density and surface tension were investigated. The experiments were conducted in the temperature range from 583 K <= T <= 1257 K. The surface tension was measured for pure antimony and for six liquid Sb-Sn alloys (mole fractions X_(Sn) =0.2,0.4,0.6,0.8,0.9, and 0.935 mm~2) and measurements of the density were only for alloys. It has been observed that both surface tension and density show linear dependence on temperature. The temperature-concentration relation of both surface tension and density were determined with minimization procedures. The surface tension isotherms calculated at 873 K and 1273 K show slight negative deviations from linearity changes, but the observed maximal differences did not exceed 30 mN m~(-1). The surface tension calculated from Butler's model was higher than the experimental value for most concentrations and also showed curvilinear temperature dependence. The experimental densities and the molar volumes of the Sb-Sn liquid alloys conform very closely to ideal behavior with differences comparable to the experimental errors.
W. Gasior、Z. Moser、J. Pstrus
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Polish Academy of Sciences, A. Krupkowski Institute of Metallurgy
NSTL
