金属学报  1989, Vol. 25 Issue (4): 137-141

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铝钎焊过程中钎剂的界面活性行为

张启运;刘淑祺;蓝铁;傅玉川

北京大学;北京大学;北京大学;北京大学

INTERFICIAL ACTIVITY BEHAVIOR OF FLUX DURING ALUMINUM BRAZING

ZHANG Qiyun;LIU Shuqi;LAN Tie;FU Yuchuan Peking University)

张启运;刘淑祺;蓝铁;傅玉川. 铝钎焊过程中钎剂的界面活性行为[J]. 金属学报, 1989, 25(4): 137-141.
, , , . INTERFICIAL ACTIVITY BEHAVIOR OF FLUX DURING ALUMINUM BRAZING[J]. Acta Metall Sin, 1989, 25(4): 137-141.

摘要 参考文献 相关文章 Metrics 全文: PDF(1878 KB)   摘要: 用金相、扫描电镜及电子探针方法研究了铝钎焊过程中含CdCl_2或ZnCl_2钎剂的活性机制。结论表明,钎剂的活性产生于反应析出的液态重金属与母材及钎料润湿,从而生成局部无氧化膜的液态合金。ZnCl_2析出大片液态合金与母材润湿,而CdCl_2析出分散点滴状液态Cd与母材润湿。实验表明,反应析出的重金属最终夹杂在焊点之中。钎焊温度愈低,重金属夹杂的尺寸愈大。 关键词 ： 铝钎焊,  钎剂,  界面活性     Abstract：A study on the interficial activity behavior of flux during aluminumbrazing has been made by using metallography, SEM and electron probe techniques.The results showed that the activity of a flux is caused by the wetting of base me-tal with the liquid heavy metal reduced from the flux, thus, some regions of liq-uid alloy created, at which no aluminum oxide film covers on the surfaces. Thereduced metal drops are finally trapped in the fillet. The size of the metal dropsincreases with the decrease of brazing temperature. Key words： aluminum brazing    flux    interficial activity 收稿日期: 1989-04-18      服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 张启运 刘淑祺 蓝铁 傅玉川 44.8K 链接本文: https://www.ams.org.cn/CN/      或      https://www.ams.org.cn/CN/Y1989/V25/I4/137 1 张启运,郑朝贵,刘淑祺.金属学报,1979:15:109 2 张启运,刘淑祺,高念宗.焊接学报,1982;3:153 3 张启运,刘淑祺,郭海,简艾.金属学报,1985;21:B35 4 Massalski T B. Binary Alloy Phase Diagram, Ohio: Amer Soc for Met, 1986: 657 [1] 王辉 何思渊 褚旭明 何德坪. Zn--Al--Cu基合金无钎剂钎焊泡沫铝的界面结构及力学性能[J]. 金属学报, 2009, 45(6): 723-728. [2] 张启运;刘淑祺;章于华. 熔盐钎剂与铝氧化膜的相互作用[J]. 金属学报, 1989, 25(2): 133-136. Viewed Full text Abstract Cited   Shared      Discussed