Effect of exchange reactions in fluoride-chloride melts on interfacial tension

被引：0
|
作者：
Patrov, B.V. [1 ]
Valueva, T.V. [1 ]
机构：
[1] Sankt-Peterburgskij GTU, Sankt-Peterburg, Russia
来源：
Rasplavy | 2001年 / 04期
关键词：
Alkali metal compounds - Brazing - Chlorine compounds - Composition effects - Fluorine compounds - Fused salts - Lead - Liquid metals - Mixtures - Phase interfaces - Surface tension;
D O I：
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中图分类号：
学科分类号：
摘要：
An interfacial tension of system of liquid lead-fused chloride + fluoride of alkali metals (up to 20 molar %) is investigated experimentally. The measurements are carried out by the method of maximum pressure in the gas bubble at 973 K. Decreasing in lead surface tension in contact with Li and Cs chlorides at addition of Na fluoride is revealed. This is caused by availability of surface-active Na2F+ cations in fused chlorides. The chloride-fluoride fused mixtures are used widely in metallurgy, welding, and brazing with flux.
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页码：50 / 52
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