INTERFACIAL ACTIVITY BEHEAVIOR OF FLUX DURING ALUMINIUM BRAZING

被引：0
|
作者：
ZHANG Qiyun LIU Shuqi LAN Tie FU Yuchuan Peking University
机构：
来源：
Acta Metallurgica Sinica(English Edition) | 1990年 / 07期
关键词：
aluminium brazing; flux; interfacial activity;
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学科分类号：
摘要：
A study on the interfacial activity behavior of flux during aluminium brazing has been madeby using metallography,SEM and electron prob techniques.The results show that the activity,of a flux is caused by the wetting of base metal with the liquid heavy metal reduced from theflux,thus,some regions of liquid alloy created,at which no aluminium oxide film covers on thesurfaces.The reduced metal drops are finally trapped in the fillet.The size of the metal dropsincreases with the decrease of brazing temperature.
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页码：54 / 58
页数：5
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