Abstract
Recently, there has been a trend in the automotive industry to focus on the improvement of lightweight materials, such as aluminum and magnesium because the welding of dissimilar metals causes many welding defects. Magnetic pulse welding (MPW), one of the solid state welding technologies, uses electromagnetic force from current discharged through a working coil which develops a repulsive force between the induced currents flowing parallel and in the opposite direction in the tube to be welded. The objective of this paper is to develop a numerical model for analysis of the interaction between the outer pipe and the working coil using a finite element method (FEM) in the MPW process. Four Maxwell equations are solved using a general electromagnetic mechanics computer program, ANSYS/EMAG code. Experiments were also carried out with a W-MPW60 machine manufactured by WELMATE CO., LTD. with the Al1070 and SM45C for Al pipe and steel bar respectively. The calculated and measured results were compared to verify the proposed model.
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Shim, J.Y., Kim, I.S., Lee, K.J. et al. Experimental and numerical analysis on aluminum/steel pipe using magnetic pulse welding. Met. Mater. Int. 17, 957–961 (2011). https://doi.org/10.1007/s12540-011-6014-8
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DOI: https://doi.org/10.1007/s12540-011-6014-8