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2022 №06 (04) DOI of Article
2022 №06 (01)

Automatic Welding 2022 #06
Avtomaticheskaya Svarka (Automatic Welding), #6, 2022, pp. 36-48

Modern technological methods of pressure welding of magnesium alloys (Review)

Yu.V. Falchenko, L.V. Petrushinets

E.O. Paton Electric Welding Institute of the NAS of Ukraine. 11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine. E-mail: office@paton.kiev.ua

Proceeding from the results of literature analysis, the good prospects for application of pressure welding methods, namely diffusion, ultrasonic, and roll welding, when joining elements from magnesium alloys, are shown. Comparative evaluation of welding modes was performed. The main directions for producing sound joints were determined. It is shown that the main ways to improve the welding processes are application of the following approaches: monitoring the temperature-time parameters of welding, application of interlayers in the form of separate layers from similar materials, based on copper, nickel, zinc or silver, or of eutectic mixtures, butt joint strengthening through application of nano- or finely-dispersed particles, intensification of plastic deformation through superposition of ultrasonic oscillations, increase of plastic deformation intensity, as well as application of heat treatment before and after welding. 31 Ref., 1 Tabl., 10 Fig.
Keywords: magnesium alloys, welded joints, microstructure, strength, diffusion welding, ultrasonic welding, roll welding

Received: 18.04.2022


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