基于中间层的铝合金/钢电阻点焊Resistance spot welding of aluminum alloy/steel via an insert
王楠楠,邱然锋,石红信
摘要(Abstract):
以AlSi12为中间层对A6061铝合金与Q235低碳钢进行了电阻点焊,分析了界面区金属间化合物层形貌及分布等微观组织结构特征,探讨了焊接电流、焊接时间与电极压力对接头熔核尺寸和抗剪力的影响。结果表明:接头熔核直径、抗剪力随焊接电流、焊接时间的增加而增加,随电极压力的增大而降低,所得接头抗剪力达到4.87 kN,中间过渡层的使用起到了抑制界面金属间化合物生长的效果。
关键词(KeyWords): 点焊;中间层;铝合金;钢
基金项目(Foundation): 国家自然科学基金(51875177);; 河南省国际合作项目(182102410066);; 河南省高校科技创新人才计划基金(16HASTIT050)
作者(Author): 王楠楠,邱然锋,石红信
DOI: 10.13289/j.issn.1009-6264.2018-0325
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