The Surface Tension and Density of Liquid Ag–Bi, Ag–Sn, and Bi–Sn Alloys

被引:0
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作者
Marian Kucharski
Przemyslaw Fima
机构
[1] AGH University of Science and Technology,Department of Metallurgy of Non
关键词
Keywords. Ag, Bi, Sn, Ag–Bi, Ag–Sn, and Bi–Sn systems; Density; Surface tension; Lead-free solders.;
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摘要
The sessile drop method has been used to measure density and surface tension for pure Ag, Bi, Sn, and their mixtures. For pure metals and Bi–Sn alloys negative temperature coefficients of surface tension have been obtained. In case of Ag–Bi and Ag–Sn alloys the temperature coefficients of surface tension take negative or positive values depending on composition. Experimental values of the surface tension for Ag–Bi, Ag–Sn, and Bi–Sn are compared with those computed from Butler’s model. A relatively good agreement is observed.
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页码:1841 / 1846
页数:5
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