Abstract
The joining of dissimilar metals is required for lightweight structures. The efficient and mechanically robust uniform pressure electromagnetic actuator (UPEA) was used to magnetic pulse welding (MPW) dissimilar metal sheets in this study. This study explored the feasibility of MPW of AA 1060 to Q235 steel sheet. The effects of discharge voltage, vertical gaps between two sheets, and the effect of the width of the joining zone on the connection quality were investigated. The metallurgical joints were obtained under a discharge voltage above 9.5 kV, and the weldability window of AA1060 to Q235 steel sheets was established. Microstructure observations of the MPW joint revealed that the interface of the joint is close to flat. EDS mapping showed mutual diffusion of basic elements across the interface.
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Yu, H., Tong, Y. Magnetic pulse welding of aluminum to steel using uniform pressure electromagnetic actuator. Int J Adv Manuf Technol 91, 2257–2265 (2017). https://doi.org/10.1007/s00170-016-9928-y
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DOI: https://doi.org/10.1007/s00170-016-9928-y