Abstract
Magnetic pulse welding (MPW) is a high-speed, solid-state welding process that is applicable to tube-to-tube or tube-to-bar configurations. Detailed information on how to adapt the process to applications for joining dissimilar materials is not available in published materials. The document discusses the MPW process development for welding Al tubes to steel bars. Welding trials were conducted to weld annealed 6061 Al tubes of 0.065-in. wall thickness to 1010 steel bars of a 1.875-in. nominal diameter. A 90-kJ machine was used in the work. This work indicates that Al tubes can be successfully welded to steel bars using MPW. It is found that the stand-off distance between the Al tube and the steel bar is a dominant factor for achieving a sound weld. Adding receding angles to the bars can promote MPW weldability.
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Kimchi, M., Shao, H., Cheng, W. et al. Magnetic Pulse Welding Aluminium Tubes to Steel Bars. Weld World 48, 19–22 (2004). https://doi.org/10.1007/BF03266422
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DOI: https://doi.org/10.1007/BF03266422