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ZHANG Hongtao, LIU Duo, FENG Jicai, HU Leliang. Reactive contact brazing between aluminium alloy and copper by high frequency induction method[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2012, (3): 89-92.
Citation: ZHANG Hongtao, LIU Duo, FENG Jicai, HU Leliang. Reactive contact brazing between aluminium alloy and copper by high frequency induction method[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2012, (3): 89-92.
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Reactive contact brazing between aluminium alloy and copper by high frequency induction method

  • School of Materials Science and Engineering, Harbin Institute of Technology(Weihai), Weihai 264209, China

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  • Received Date: January 10, 2011
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  • High-frequency induction contact reactive brazing of 6063 aluminium alloy to pure copper was investigated in this paper.The composition of the brazing flux was optimized according to the brazing process and mechanical properties of the resultant joints.The interfacial microstructure and phase constitution of the joint was analyzed by means of SEM and EDS.The results showed that the joint made with the flux of 65% ZnCl2+10% NaCl+25% NH4Cl was better than the joints made with the other two fluxes.The thickness of the brazing seam was about 80 μm and the interface mainly consisted of Al solid solution and Al2Cu phases,and massive Zn and Na elements diffused into the seam.The maximum shearing strength of the joint reached 58 MPa.
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