Calculating the thermodynamic parameters of the surface layer of the binary sodium-potassium system

被引：2
|
作者：
Alchagirov, B. B. [1 ]
Afaunova, L. Kh. [1 ]
Kegadueva, Z. A. [1 ]
Arkhestov, R. Kh. [1 ]
机构：
[1] Berbekov Kabardino Balkar State Univ, Nalchik 360004, Kabardino Balka, Russia
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2011年 / 85卷 / 06期
基金：
俄罗斯基础研究基金会;
关键词：
Na-K binary system; surface layer; thermodynamic parameters;
D O I：
10.1134/S0036024411060021
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The composition and number of surface monoatomic potassium layers in Na-K alloys are calculated on the basis of theory of the thermodynamic stability of surface layers of metal alloys with respect to their thickness. The surface layer of Na-K alloys is shown to be thermodynamically stable at surface layer thickness of two monoatomic potassium layers in the range of compositions with K in Na content of similar to 13-15 at %. Good agreement is obtained using the surface activities of the components in binary metal melts as criteria.
引用
收藏
页码：1097 / 1099
页数：3
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