Automatic Welding, 2025, №02

2025 №02 (07)

2025 №02 (02)

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"Avtomatychne Zvaryuvannya" (Automatic Welding), #2, 2024, pp. 7-11

Magnetic pulse treatment of welded joints in the process of fusion welding

L.M. Lobanov¹, M.О. Pashchyn¹, O.L. Mikhodui¹, A.N. Timoshenko¹, K.V. Shyian¹, О.М. Karlov², I.P. Kondratenko², R.S. Kryshchuk², V.V. Chopyk²

¹E.O. Paton Electric Welding Institute of the NAS of Ukraine 11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine. E-mail: olha.mikhodui@gmail.com
²Institute of Electrodynamics of the NAS of Ukraine. 56 Beresteiskyi Ave., 03057, Kyiv, Ukraine. E-mail: ied1@ied.org.ua

Treatment with a pulsed electromagnetic field (TPEMF) of welded joints leads to a decrease of residual welding stress level. TPEMF in the welding process contributes to an increase in the efficiency of the welding process (compared to PEMF after welding) and the simplicity of its technical implementation. On the basis of mathematical modelling and experimental studies of magnetic pulse processes, an automated complex for TIG welding has been developed that is compatible with TPEMF of the weld metal under the conditions of a thermal deformation welding cycle. 37 Ref., 6 Fig.
Keywords: pulsed electromagnetic field, welded joints, residual welding stresses, TIG welding, structure dispersion, mathematical modelling, aluminium alloy


Received: 08.01.2025
Received in revised form: 28.02.2025
Accepted: 10.04.2025

References

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