| 合金元素对AgCuZn系钎料合金组织与性能的影响 |
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| 引用本文： | 李卓然,矫宁,冯吉才,陆成虹.合金元素对AgCuZn系钎料合金组织与性能的影响[J].焊接学报,2008,29(3):65-68. |
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| 作者姓名： | 李卓然 矫宁 冯吉才 陆成虹 |
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| 作者单位： | 哈尔滨工业大学现代焊接生产技术国家重点实验室,哈尔滨,150001 |
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| 基金项目： | 国家科技支撑计划
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中国博士后科学基金 |
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| 摘 要： | 通过向AgCuZn系钎料合金中添加适量的合金元素Sn,Ni,P,研究了不同元素含量的Sn,Ni,P对AgCuZn系无镉钎料组织性能的影响.结果表明,随着Sn元素含量的增加,钎料的润湿铺展性能整体呈上升趋势;P元素的加入可以降低液态钎料与试件间的表面张力,改善钎料的润湿性和流动性.显微组织分析表明,AgCuZn系钎料合金微观组织主要由富Cu相、CuZn化合物相、Cu5.6Sn化合物相、Cu40.5 Sn11化合物相和Ag的析出相组成,AgCuZn钎料合金中加入Sn元素后生成粗大的树枝晶,使钎料脆性增大;钎料合金中加入Ni元素,生成灰黑色的Ni3P化合物相,微观组织细化;P元素的加入生成灰色的Cu3P化合物相.
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| 关 键 词： | 钎料合金 微观组织 润湿性能 |
| 文章编号： | 0253-360X（2008）03-0065-04 |
| 收稿时间： | 2007-11-08 |
| 修稿时间： | 2007年11月8日 |
Effect of alloying elements on microstructure and property of AgCuZnSn brazing alloy |
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| LI Zhuoran,JIAO Ning,FENG Jicai and LU Chenghong.Effect of alloying elements on microstructure and property of AgCuZnSn brazing alloy[J].Transactions of The China Welding Institution,2008,29(3):65-68. |
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| Authors: | LI Zhuoran JIAO Ning FENG Jicai and LU Chenghong |
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| Affiliation: | State Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 150001, China,State Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 150001, China,State Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 150001, China and State Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 150001, China |
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| Abstract: | The Sn, Ni, P were added into AgCuZnSn brazing alloy.And the effects of Sn, Ni and P on the microstructure and property of AgCuZn cadmium-free brazing alloy system were investigated.The results showed that the wettability of the brazing alloy was improved with the addition of Sn.The addition of P could decrease the interfacial tension between liquid brazing alloy and specimen, and the wettability and fluidity were also improved.The microstructure of AgCuZn brazing alloy was consisted of Cu-rich phase, CuZn intermetallic compound, Cu5.6 Sn intermetallic compound, Cu40.5Sn11 intermetallic compound and Ag-rich phase.Dendrite that formed in the alloy microstructure make brazing alloy friable after the addition of Sn.The black Ni3 P compound was generated when Ni was added, and make microstructure homogeneous.The gray Cu3 P compound was generated when P was added. |
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| Keywords: | brazing alloy microstructure wettability |
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