| 2022 №01 (02) |
DOI of Article 10.37434/tpwj2022.01.03 |
2022 №01 (04) |
The Paton Welding Journal, 2022, #1, 14-17 pages
Magnetic-pulse welding of copper rings with steel parts using single-turn inductor
M. Polieschuk1, I. Matveiev1, V. Bovkun1, J. Selech2, A. Tunik1, O. Cherkashin1, L. Kisterska3, K. Siekierski4
1E.O. Paton Electric Welding Institute of the NAS of Ukraine 11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine. E-mail: office@paton.kiev.ua
2Poznan University of Technology. 60-965, 5 M. Skłodowska-Curie Square, Poznan, Poland
3Ukrainian-American JV «Marketing of Superhard Materials» 2 Avtozavodska Str., 04074, Kyiv, Ukraine
4NxTechnologies. 60-125, ul. Bosa, 4/6-24, Poznań, Poland
Abstract
Magnetic-pulse welding is an innovative joining method that allows combining dissimilar metals. The article discusses weldability of copper rings with steel rods in order to study the possibility of using single-turn inductor. All specimens were welded with a discharge energy of 18 kJ. Significant deformations of copper rings were observed. Metallographic examination of welds revealed no defects. High-quality joining of metals in the welding zone with a characteristic wavy boundary interface was noted. However, to obtain more information on the exact mechanisms of weld formation, it is recommended to carry out numerical modeling of the process.
Keywords: magnetic-pulse welding, cold welding, solid state welding, copper, steel, rings, microstructure, microhardness
Received: 29.10.2021
Accepted: 07.02.2022
References
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