王增强,邱然锋,张坤,闫炳辰,孟令燃,赵培峰

• 1:河南科技大学材料科学与工程学院
• 2:有色金属共性河南省协同创新中心

摘要(Abstract)：

采用电阻铆焊的方法对A5052铝合金和Q235低碳钢进行焊接，分析了自冲铆铆钉的硬度和焊接参数对电阻铆焊接头的宏观形貌和力学性能以及铆钉腿端部与下板间的接合状态的影响。结果表明：采用高硬度铆钉(HRC为42±1)的电阻铆焊接头中形成的孔洞缺陷较少，其宏观形貌优于采用中等硬度(HRC为36±1)和较低硬度(HRC为33±1)铆钉的焊接接头。采用高硬度铆钉焊接时，随着焊接电流的增大，残留于铆钉腿端部与下板间的铝合金变薄。当焊接电流为10 kA,焊接时间为400 ms时，高硬度铆钉的焊接接头的最大抗剪力为7.67 kN。

关键词(KeyWords)： 铝合金;低碳钢;电阻铆焊;铆钉硬度

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51875177);; 河南省科技攻关项目(222102220067)

作者(Author): 王增强,邱然锋,张坤,闫炳辰,孟令燃,赵培峰

DOI: 10.13289/j.issn.1009-6264.2022-0341

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