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LD30铝合金与304不锈钢低温钎焊润湿性研究

熊欢,  曲文卿

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文章导航 > 北京航空航天大学学报  > 2016 >  42(3): 619-624.
熊欢, 曲文卿. LD30铝合金与304不锈钢低温钎焊润湿性研究[J]. 北京航空航天大学学报, 2016, 42(3): 619-624. doi: 10.13700/j.bh.1001-5965.2015.0219
引用本文: 熊欢, 曲文卿. LD30铝合金与304不锈钢低温钎焊润湿性研究[J]. 北京航空航天大学学报, 2016, 42(3): 619-624. doi: 10.13700/j.bh.1001-5965.2015.0219
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XIONG Huan, QU Wenqing. Low-temperature brazing wettability research of LD30 aluminum alloy and 304 stainless steel[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(3): 619-624. doi: 10.13700/j.bh.1001-5965.2015.0219(in Chinese)
Citation: XIONG Huan, QU Wenqing. Low-temperature brazing wettability research of LD30 aluminum alloy and 304 stainless steel[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(3): 619-624. doi: 10.13700/j.bh.1001-5965.2015.0219(in Chinese)
shu

LD30铝合金与304不锈钢低温钎焊润湿性研究

doi: 10.13700/j.bh.1001-5965.2015.0219

  • 北京航空航天大学机械工程及自动化学院, 北京 100083

详细信息
    作者简介:

    熊欢 男,硕士研究生。主要研究方向:钎焊及扩散焊工艺研究。Tel.:13161518842 E-mail:282525705@qq.com;曲文卿 男,博士,副教授,硕士生导师。主要研究方向:先进连接技术、焊接工艺基础理论。Tel.:010-82317702 E-mail:quwenqing@buaa.edu.cn

    通讯作者:

    曲文卿,Tel.:010-82317702 E-mail:quwenqing@buaa.edu.cn

  • 中图分类号: TG454

Low-temperature brazing wettability research of LD30 aluminum alloy and 304 stainless steel

  • School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

    摘要
  • 摘要: 采用LD30铝合金与304不锈钢低温钎焊工艺进行润湿性研究。通过润湿性研究对比,选用了60Sn-40Pb、Sn-3.5Ag和35Sn-40Pb-25Bi3种 适用于LD30铝合金和304不锈钢的低熔点钎料,并针对每种钎料选取与之相匹配的钎剂。分析了接头的微观组织、化合物相成分和X射线探伤。结果表明:60Sn-40Pb 和35Sn-40Pb-25Bi与H3PO4组合在304不锈钢上润湿性很好;不锈钢与镀镍层铝合金钎焊试验时,60Sn-40Pb和35Sn-40Pb-25Bi与50% H3PO4+50%乙二醇组合润湿性很好;Sn-3.5Ag 钎料润湿性相对较差。

     

    Abstract: LD30 aluminum alloy with 304 stainless steel using low temperature brazing was performed in the wettability research. Through wettability study contrast, three kinds of low melting point solders 60Sn-40Pb, Sn-3.5Ag and 35Sn-40Pb-25Bi which were suitable for LD30 aluminum alloy and 304 stainless steel were chosen, and solder flux was selected. The joint of microstructure, phase composition, X-ray inspection were analyzed. Results show that the 60Sn-40Pb and 35Sn-40Pb-25Bi combine with H3PO4 have good wettability on 304 stainless steel; the 60Sn-40Pb and 35Sn-40Pb-25Bi combine with 50% H3PO4 and 50% glycol have good wettability in the brazing experiment and the Sn-3.5Ag has relatively poor wettability.

     

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  • 收稿日期:  2015-04-13
  • 网络出版日期:  2016-03-20

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