Surface tension of tin and its alloys with lead

被引：16

作者：

Alchagirov, B. B. ^{[1
]}

Kurshev, O. I. ^{[1
]}

Taova, T. M. ^{[1
]}

机构：

[1] Kabardino Balkar State Univ, Nalchik 360004, Russia

来源：

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2007年 / 81卷 / 08期

关键词：

D O I：

10.1134/S0036024407080195

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 temperature and concentration dependencies of the surface tension of high-purity tin and its alloys with lead were investigated in an ultrahigh vacuum by the large-drop method. It was shown that the tin surface-tension polytherm obeyed the equation sigma(T) = 570.0-0.08(T - T-m). Lead was found to possess high surface activity in the range of its low concentrations in tin. Estimate was made for the limiting lead surface activity in tin-based alloys. Our conclusions about lead surface activity in alloys with tin are consistent with the literature data obtained by the modern electron-spectrometric methods for the surface compositions of the alloys studied.

引用

页码：1281 / 1284

页数：4

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