Improved strength of Al-Zn-Mg-Cu alloy USW joints by synchronously applying electropulsing current

被引：3
作者：
Liang, Zhimin [1 ]
Sun, Zhuobin [1 ]
Wang, Guanying [1 ]
Wang, Liwei [1 ]
Liu, Suyun [2 ]
Yang, Xiao [1 ]
Liu, Dan [1 ]
Liang, Yongmei [1 ]
Wang, Dianlong [1 ]
机构：
[1] Hebei Univ Sci & Technol, Sch Mat Sci & Engn, Hebei Key Lab Mat Near Net Forming Technol, Shijiazhuang 050018, Peoples R China
[2] Shenzhen Inst Informat Technol, Inst Technol Marine Civil Engn, Shenzhen 518172, Peoples R China
来源：
JOURNAL OF MANUFACTURING PROCESSES | 2023年 / 99卷
基金：
中国国家自然科学基金;
关键词：
Ultrasonic spot welding; Electropulsing current; Al-Zn-Mg-Cu alloy; Interfacial plastic deformation; Precipitates; MECHANICAL-PROPERTIES; MICROSTRUCTURE;
D O I：
10.1016/j.jmapro.2023.05.024
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The tensile lap shear failure load of Al-Zn-Mg-Cu alloy ultrasonic spot welding joints (2.89 kN) by synchronously applying electropulsing current is significantly improved compared to the traditional joints (0.39 kN). This can be ascribed to the enhancement of interfacial plastic deformation induced by the dissolution of & eta;' phase, which is the combined effect of electropulsing current and ultrasonic vibration.
引用
收藏
页码：254 / 259
页数：6
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