Effect of field shaper tapered angle on the electromagnetic crimping of tubes on rods
by Ramesh Kumar; Sachin D. Kore
International Journal of Materials and Product Technology (IJMPT), Vol. 65, No. 2, 2022

Abstract: The electromagnetic crimping process lies in the category of solid-state mechanical joining technique. This technique has great potential to produce dissimilar joints. The electromagnetic crimping process is used to produce the crimping of the joint between the copper tube and aluminium rod. The numerical model was validated based on the measured crimped diameter of the tube and also based on the temperature. The validated numerical model was used to study the effect of the field shaper tapered angle on the impact velocity of the flyer, plastic strain in the tube, and the magnetic field produced around the tube. For this study, the tapered angle of the tube used was 14.4°, 15.2°, 15.9°, 16.7° and 17.4°. The other parameters related to the field shaper such as outer diameter, total length, inner diameter, and working length were kept constant. From this study, it was found that with the increase in the tapered angle of the field shaper, and maintaining the other parameters constant the impact velocity of the tube, magnetic field and plastic strain developed in the tube also increases.

Online publication date: Mon, 08-Aug-2022

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