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材料导报  2020, Vol. 34 Issue (Z2): 465-468    
  金属与金属基复合材料 |
铝合金-低碳钢异种金属电阻点焊工艺研究
雷达, 王海林, 周彪, 李贤, 包爽
湖北汽车工业学院材料科学与工程学院,十堰 442002
Research on Resistance Spot Welding Technology of Aluminium Alloy-Low Carbon Steel Dissimilar Metal
LEI Da, WANG Hailin, ZHOU Biao, LI Xian, BAO Shuang
School of Materials Science and Engineering, Hubei University of Automotive Technology,Shiyan 442002,China
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摘要 使用MD-40KA中频逆变式点焊机对1.5 mm等厚5083铝合金和Q235低碳钢电阻点焊工艺进行研究。通过控制变量的方法研究焊接电流、通电时间、电极压力对力学性能的影响,确定焊接参数范围,接着进行正交试验优化焊接工艺参数,并对焊接接头进行力学性能检测验证。结果表明:焊接电流、通电时间、电极压力分别为11.5 kA、350 ms、0.22 MPa时可获得力学性能优异的焊接接头,其拉剪力可达4.7 kN。
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雷达
王海林
周彪
李贤
包爽
关键词:  电阻点焊  正交试验  工艺参数  力学性能    
Abstract: The MD-40KA intermediate frequency inverter spot welding machine was used to study the resistance spot welding technology of 5083 aluminum alloy and Q235 low carbon steel with thickness of 1.5 mm. The method of controlling variables was used to study the effects of welding current, energization time and electrode pressure on mechanical properties to determine the range of welding parameters, and then orthogonal test was used to optimize the welding process parameters, meanwhile the mechanical properties of the welded joints were inspected. The results show that: when the welding current, energization time and electrode pressure are 11.5 kA, 350 ms and 0.22 MPa,welded joints with excellent mechanical properties can be obtained and the tensile shear force can reach 4.7 kN.
Key words:  resistance spot welding    orthogonal test    process parameters    mechanical properties
               出版日期:  2020-11-25      发布日期:  2021-01-08
ZTFLH:  TG44  
基金资助: 基金项目:湖北汽车工业学院大学生创新创业基金(DC2020059)
通讯作者:  ctguwhl8090@163.com   
作者简介:  雷达,湖北汽车工业学院2017级本科生,被评为2019年度“湖北省大学生自强之星”。参与多项省级科研项目,主要涉及材料表面激光熔覆合金粉末冲击韧性研究。已获国家发明专利5项、实用新型专利2项。王海林,湖北汽车工业学院助理实验师,2018年加入湖北汽车工业学院材料科学与工程学院工作,主要从事铝钢异种材料连接工艺方法及新能源材料方面的研究,在相关期刊杂志发表教学科研论文13篇,其中SCI收录论文2篇、EI收录论文3篇,中文核心3篇。
引用本文:    
雷达, 王海林, 周彪, 李贤, 包爽. 铝合金-低碳钢异种金属电阻点焊工艺研究[J]. 材料导报, 2020, 34(Z2): 465-468.
LEI Da, WANG Hailin, ZHOU Biao, LI Xian, BAO Shuang. Research on Resistance Spot Welding Technology of Aluminium Alloy-Low Carbon Steel Dissimilar Metal. Materials Reports, 2020, 34(Z2): 465-468.
链接本文:  
http://www.mater-rep.com/CN/  或          http://www.mater-rep.com/CN/Y2020/V34/IZ2/465
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