Joining Aluminum Alloy to Steel by Resistance Projection-Plug Welding

被引：5
|
作者：
Ren, Kexu [1 ,2 ]
Qiu, Ranfeng [1 ,3 ]
Ma, Hengbo [1 ,2 ]
Shi, Hongxin [1 ,3 ]
机构：
[1] Henan Univ Sci & Technol, Sch Mat Sci & Engn, Luoyang 471039, Peoples R China
[2] Collaborat Innovat Ctr Nonferrous Met, Luoyang 471039, Henan, Peoples R China
[3] Henan Key Lab Nonferrous Mat Sci & Proc Technol, Luoyang 471003, Peoples R China
来源：
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2020年 / 29卷 / 06期
关键词：
aluminum alloy; mechanical properties; resistance spot welding; steel; SPOT-WELDED-JOINTS; MECHANICAL-PROPERTIES; INTERFACIAL MICROSTRUCTURE; DISSIMILAR JOINTS; FATIGUE BEHAVIOR; AA6061-T6; STRENGTH; DP590;
D O I：
10.1007/s11665-020-04893-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In order to improve the joining performance between aluminum alloy and steel, a method termed resistance projection-plug welding was tried to weld steel to aluminum alloy. The microstructure and properties of the joint obtained by this method under various welding parameters were analyzed. Scanning electron microscopy studies of the interfacial microstructures revealed that a reaction layer, consisting of Fe(2)Al(5)adjacent to steel and FeAl(3)adjacent to aluminum alloy, is formed in the interface outside the nugget. The maximum tensile shear and cross-tension loads of the joint reached 6.92 and 4.13 kN, respectively, in comparison with 5.0 and 1.4 kN, respectively, for resistance spot welding with a cover plate. The results revealed that the resistance projection-plug welding is an effective method for welding steel and aluminum alloys.
引用
收藏
页码：4087 / 4094
页数：8
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