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LI Zhuoran, JIAO Ning, FENG Jicai, LU Chenghong. Effect of alloying elements on microstructure and property of AgCuZnSn brazing alloy[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2008, (3): 65-68.
Citation: LI Zhuoran, JIAO Ning, FENG Jicai, LU Chenghong. Effect of alloying elements on microstructure and property of AgCuZnSn brazing alloy[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2008, (3): 65-68.
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Effect of alloying elements on microstructure and property of AgCuZnSn brazing alloy

  • State Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 150001, China

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  • Received Date: November 07, 2007
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  • 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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