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铜箔种类和厚度对钛/钢电阻点焊接头组织和性能的影响

张鹏贤, 禄建强, 陈沛

张鹏贤, 禄建强, 陈沛. 铜箔种类和厚度对钛/钢电阻点焊接头组织和性能的影响[J]. 机械工程材料, 2021, 45(3): 46-51. DOI: 10.11973/jxgccl202103009
引用本文: 张鹏贤, 禄建强, 陈沛. 铜箔种类和厚度对钛/钢电阻点焊接头组织和性能的影响[J]. 机械工程材料, 2021, 45(3): 46-51. DOI: 10.11973/jxgccl202103009
ZHANG Pengxian, LU Jianqiang, CHEN Pei. Type and Thickness of Copper Foli on Microstructure and Properties of Resistance Spot Welded Joints of Titanium/Steel[J]. Materials and Mechanical Engineering, 2021, 45(3): 46-51. DOI: 10.11973/jxgccl202103009
Citation: ZHANG Pengxian, LU Jianqiang, CHEN Pei. Type and Thickness of Copper Foli on Microstructure and Properties of Resistance Spot Welded Joints of Titanium/Steel[J]. Materials and Mechanical Engineering, 2021, 45(3): 46-51. DOI: 10.11973/jxgccl202103009

铜箔种类和厚度对钛/钢电阻点焊接头组织和性能的影响

详细信息
    作者简介:

    张鹏贤(1970-),男,甘肃靖远人,教授,博士

  • 中图分类号: TG453.9

Type and Thickness of Copper Foli on Microstructure and Properties of Resistance Spot Welded Joints of Titanium/Steel

  • 摘要: 以不同种类、不同厚度铜箔作为过渡层材料,对TC4钛合金和304不锈钢薄板进行电阻点焊,研究了铜箔种类和厚度对接头组织和性能的影响。结果表明:纯铜箔过渡层焊接接头的抗剪强度明显高于铜合金箔过渡层焊接接头的,且T4铜箔过渡层焊接接头的抗剪强度最高;随着T4铜箔厚度增大,接头反应区宽度减小,中间过渡区宽度增大,熔合区钛-铁金属间化合物减少,接头抗剪强度先增大后减小,在厚度为0.4 mm时达到最大。
    Abstract: Resistance spot welding was performed on TC4 titanium alloy and 304 stainless steel sheet with copper foils of different types and thicknesses as transition layer materials. The influence of the type and thickness of the copper foils on the microstructure and properties of the joint was studied. The results show that the shear strength of the welding joint with pure copper foils as the transition layer was significantly higher than that of the copper alloy foils as the transition layer, and the welding joint with T4 copper foil as the transition layer had the highest shear strength. With increasing thickness of the T4 copper foil, the width of the reaction zone of the joint decreased, the width of the intermediate transition zone increased, and the Ti-Fe intermetallic compound in the fusion zone decreased, the shear strength of the joints increased first and then decreased, reaching the maximum when the thickness was 0.4 mm.
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出版历程
  • 收稿日期:  2020-04-20
  • 修回日期:  2021-01-14
  • 刊出日期:  2021-03-19

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