Interaction of Exogenous Aluminum Oxide Nanophases with Tin and Antimony in Cobalt Melts. II. Surface Tension and Density1

被引：0
|
作者：
Anuchkin, S. N. [1 ]
Burtsev, V. T. [1 ]
Samokhin, A. V. [1 ]
机构：
[1] Russian Acad Sci, Baikov Inst Met & Mat Sci, Moscow, Russia
来源：
RUSSIAN METALLURGY | 2023年 / 2023卷 / 01期
关键词：
exogenous nanoparticles; aluminum oxide; nonferrous metal impurities; cobalt-based melts; tin; antimony; surface tension; density;
D O I：
10.1134/S0036029523010032
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The surface tension and density of Co-Sn and Co-Sb melts with introduced Al2O3 nanoparticles (d(av) = 41 nm) are studied by the sessile drop method. The related change in the structural properties of the metal, in particular, the inversion of the temperature coefficient of surface tension, has been revealed. The influence of formed Co + (Al2O3-Sn/Sb) ensembles on the melt density is considered in terms of the quasichemical theory of metallic melts. For example, for the Co-Sn-Al2O3 system, the looseness, as a rule, decreases; in the Co-Sb-Al2O3 system, on the contrary, it increases. This finding indicates a different influence of Co + (Al2O3-Sn) and Co + (Al2O3-Sb) ensembles on the change in the cluster structure of the melt and its surface properties.
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收藏
页码：54 / 61
页数：8
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