新型电阻塞焊连接方法分析

冯悦峤; 罗震; 李洋; 张成大

新型电阻塞焊连接方法分析

1.
天津大学材料科学与工程学院, 天津 300072
2.
天津大学材料科学与工程学院, 天津 300072;高新船舶与深海开发装备协同创新中心, 上海 200240
3.
大庆油田有限责任公司第二采油厂, 大庆 163459

基金项目: 国家自然科学基金资助项目(50975197,51275342)

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- 收稿日期: 2014-01-06

Investigation on a novel resistance plug welding

1.
School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China
2.
School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China;Collaborative Innovation Center of Advanced Ship and Deep-Sea Exploration, Shanghai 200240, China
3.
The Second Oil Production Plant of Daqing Oil Field Company, Daqing 163459, China

摘要

摘要: 使用一种新型的"电阻塞焊"连接方法焊接7075铝合金搭接接头. "电阻塞焊"的工艺过程是先在两板材搭接部分的中心位置打一个孔,将圆柱填充物压入,最后用电阻点焊的方法将填充物与板材焊在一起.该工艺方法旨在保持点焊原有优点的同时,提高其强度等接头性能.研究分析了该新方法的工艺、形核过程、力学性能以及微观组织,并对比研究了同参数下电阻点焊试件的接头性能.结果表明,采用新型电阻塞焊方法的接头在强度等力学性能方面优于同参数下的电阻点焊试件,同时焊点处的裂纹等缺陷也较少,接头的综合性能更为优良.
- 电阻塞焊 /
- 铝合金 /
- 力学性能 /
- 微观组织
Abstract: A novel "resistances plug welding" process was used to weld 7075 aluminum alloy lap joints. During resistances plug welding process, a hole was bored at the center of overlapping area of two sheets first, then a cylindrical filler was pressed into the hole, and finally resistance spot welding was used to join the sheets and filler metal together. This process is designed to improve the weld performance of materials which has poor spot weldability. The welding process, nucleation behavior, mechanical properties, and microstructure of resistance plug welding joint were investigated, which was compared with resistance spot welding joint. The results showed that the joint made by this new process had better mechanical properties as well as fewer cracks and other defects.
- resistances plug welding /
- aluminum alloy /
- mechanical properties /
- microstructure

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参考文献(8)

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文章访问数: 376
HTML全文浏览量: 4
PDF下载量: 285
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新型电阻塞焊连接方法分析

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出版历程

Investigation on a novel resistance plug welding

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出版历程

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