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过渡层对铝/钢FSB接头性能和组织的影响

俞伟元, 邵家霖, 陈大林, 刘森辉

俞伟元, 邵家霖, 陈大林, 刘森辉. 过渡层对铝/钢FSB接头性能和组织的影响[J]. 焊接学报, 2015, 36(6): 85-89.
引用本文: 俞伟元, 邵家霖, 陈大林, 刘森辉. 过渡层对铝/钢FSB接头性能和组织的影响[J]. 焊接学报, 2015, 36(6): 85-89.
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YU Weiyuan, SHAO Jialin, CHEN Dalin, LIU Senhui. Effect of transitional layer on property and microstructure of FSB joints of aluminum and steel[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2015, 36(6): 85-89.
Citation: YU Weiyuan, SHAO Jialin, CHEN Dalin, LIU Senhui. Effect of transitional layer on property and microstructure of FSB joints of aluminum and steel[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2015, 36(6): 85-89.
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过渡层对铝/钢FSB接头性能和组织的影响

  • 兰州理工大学 甘肃省有色金属新材料重点实验室, 兰州 730050

Effect of transitional layer on property and microstructure of FSB joints of aluminum and steel

  • State Key Laboratory of Gansu Advanced Nonferrous Metal Materials, Lanzhou University of Technology, Lanzhou 730050, China

摘要

    摘要
  • 摘要: 通过镀覆镍及Ni/Cu复合过渡层,采用锌作为钎料,对工业纯铝和低碳钢板进行了搅拌摩擦钎焊(FSB)连接. 对焊接接头进行了拉剪和抗撕裂试验,并与无任何过渡层接头进行了对比. 用扫描电镜及能谱对接头界面形貌和微观组织进行了分析,研究分析了过渡层对铝/钢FSB接头力学性能和微观组织的影响. 结果表明,过渡层能有效阻止脆性Al-Fe金属间化合物的生成,增加了接头抗撕裂载荷强度,提高接头的力学性能.
    Abstract: By plating Ni and Ni/Cu as composite transitional layer and using zinc as filler metal, industrial pure aluminium and low carbon steel were joined by friction stir brazing(FSB) technique. The shear test and peel test of the joint were carried out and were compared with joints with out transitional layer. The microstructure of joints were preliminarily analyzed by using scanning electron microscope and energy spectrum analysis. The effect of transitional layer to the mechanical property and microstructure of the aluminum-steel FSB joint was studied. The results show that the failure load of the joint peel test was increased and the mechanical performance was improved to some extent when adding transitional layer to the interface, the Al-Fe intermetallics were barely generated in the center region of the joint interface.
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    • 参考文献(10)
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  • 收稿日期:  2013-12-08

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