张清扬,戚昊,李罡,崔东升,田浩楠,赵培峰,邱然锋,石红信

• 1:河南科技大学材料科学与工程学院
• 2:河南省钨钼材料数字成型工程研究中心
• 3:河南省龙门实验室

摘要(Abstract)：

以0.05 mm厚的Zn箔作为中间层，采用非对称电极对2 mm厚的AZ31B镁合金和Q235钢进行电阻点焊。对接头特征区域进行了观察、分析，探讨了工艺参数对接头性能的影响。结果表明：在焊接区镁合金侧形成了熔核，熔核主要由(Mg)基体和MgZn析出物构成；随焊接电流的增大、焊接时间的延长，AZ31B/Q235焊接接头的抗剪载荷呈先增大后减小的变化趋势；当焊接电流为22 kA、焊接时间为300 ms时，接头的抗剪载荷达到最大，约为4.64 kN。

关键词(KeyWords)： 镁合金;低碳钢;中间层;电阻点焊

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(242102220090);; 龙门实验室前沿探索课题(LMQYTSKT010)

作者(Author): 张清扬,戚昊,李罡,崔东升,田浩楠,赵培峰,邱然锋,石红信

DOI: 10.13289/j.issn.1009-6264.2024-0264

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