SURFACE-TENSION OF LEAD AND ITS SILVER, TIN AND COPPER-ALLOYS

被引：0
|
作者：
LU, ZY
LAWSON, F
机构：
来源：
TRANSACTIONS OF THE INSTITUTION OF MINING AND METALLURGY SECTION C-MINERAL PROCESSING AND EXTRACTIVE METALLURGY | 1991年 / 100卷
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中图分类号：
TD [矿业工程];
学科分类号：
0819 ;
摘要：
The surface tensions of lead and lead alloys with very low concentrations of silver, tin and copper were measured by the sessile-drop method. The enrichment of silver and tin in the surface of liquid lead alloys at temperatures close to the freezing-point of lead was confirmed, which may explain the unusual behaviour of small amounts of silver and tin in lead bullion during the sulphur-drossing step of the refining process. From the limited data available copper also appears to concentrate at the surface of the liquid alloy.
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页码：C165 / C169
页数：5
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