Thermodynamic and surface properties of Sb-Sn and In-Sn liquid alloys

被引:17
|
作者
Anusionwu, B. C. [1 ]
机构
[1] Abdus Salam Int Ctr Theoret Phys, Trieste, Italy
[2] Fed Univ Technol Owerri, Dept Phys, Owerri, Nigeria
来源
PRAMANA-JOURNAL OF PHYSICS | 2006年 / 67卷 / 02期
关键词
liquid alloys; surface properties; concentration fluctuation;
D O I
10.1007/s12043-006-0076-z
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The thermodynamic properties of Sb-Sn and In-Sn liquid alloys have been studied using the quasi-chemical model for compound forming binary alloys and that for simple regular alloys. The concentration fluctuation S-cc(0) and the Warren-Cowley short-range order parameter (61) were determined for the whole concentration range at a temperature of 770 K. The surface tensions of these liquid alloys were determined for the whole concentration range by using energetics determined from thermodynamic calculations. In all calculations, In-Sn manifested properties very close to alloys of ideal mixing, while Sb-Sn showed properties that are asymmetric about equiatomic composition. Our results suggest that a weak complex of the form SbSn2 could be present in the Sb-Sn alloy at a temperature of about 770 K.
引用
收藏
页码:319 / 330
页数:12
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