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Ga元素含量对银钎料组织及性能的影响

马超力,薛松柏,顾荣海,王博

马超力,薛松柏,顾荣海,王博. Ga元素含量对银钎料组织及性能的影响[J]. 焊接学报, 2017, 38(12): 14-18. DOI: 10.12073/j.hjxb.20160316002
引用本文: 马超力,薛松柏,顾荣海,王博. Ga元素含量对银钎料组织及性能的影响[J]. 焊接学报, 2017, 38(12): 14-18. DOI: 10.12073/j.hjxb.20160316002

Ga元素含量对银钎料组织及性能的影响

  • 摘要: 研究了Ga元素的添加对B17AgCuZnSn钎料固液相线温度、铺展性能、显微组织以及钎焊接头抗拉强度的影响规律. 采用火焰钎焊方法,得到H62黄铜与304不锈钢的对接接头. 结果表明,随着Ga元素含量的增加,B17AgCuZnSn钎料固液相线温度出现下降,在母材表面的铺展性能有所上升,B17AgCuZnSn-2Ga钎料铺展试验中出现“润湿环”现象. Ga元素的添加改善了银钎料的显微组织,当Ga元素质量分数为2%时B17AgCuZnSn钎料组织细小均匀. 此外,采用该系列钎料钎焊黄铜和不锈钢时,得到了致密无缺陷的钎焊接头,当B17AgCuZnSn钎料中Ga元素质量分数为2%时,钎焊接头的抗拉强度达到最大值387.2 MPa.
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  • 收稿日期:  2016-03-15

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