任柯旭,邱然锋,石红信,马恒波,张肖飞

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

摘要(Abstract)：

采用电阻凸塞焊新方法对A6061铝合金和Q235低碳钢进行焊接,观测了接头微观形貌并检测了接头特征区域的化学成分,对接头的力学性能进行了测试。结果表明:在电阻凸塞焊中,以钢/钢同种材料界面取代铝/钢异种材料界面实现了接头的可靠连接,避免了在焊接接头产生较多脆性的金属间化合物。与普通点焊的接头相比,电阻凸塞焊接头的力学性能有明显的提升;工艺孔直径为10.0 mm时,接头最大抗剪力达到6.28 kN,接头断裂属于塑性断裂。对于铝合金/钢异种材料的连接,电阻凸塞焊是一种有效的工艺方法。

关键词(KeyWords)： 铝合金;低碳钢;电阻凸塞焊

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51875177);; 河南省国际合作项目(182102410066)

作者(Author): 任柯旭,邱然锋,石红信,马恒波,张肖飞

DOI: 10.13289/j.issn.1009-6264.2019-0002

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