Avtomaticheskaya Svarka (Automatic Welding), #3, 2020, pp.35-44
Welded structures from aluminium alloys
E.O. Paton Electric Welding Institute of the NAS of Ukraine. 11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine.
Examples of modern lightweight structures from aluminium and its alloys are given. Their applications in different mechanical engineering sectors are shown. The structure diversity reflects the technological capabilities and forms of realization of unique properties of this material. Trends in world production and consumption of such structures have been analyzed. It is noted that appearance of more advanced alloys with the respective set of physico-mechanical and technological properties, as well as rational selection of the processes of their permanent joining, provide a high quality of welds and welded structure reliability. Presented examples clearly illustrate the fact that the effectiveness of lightweight structures is determined by functional requirements to products, weldability of the selected aluminium alloy and level of its joining technology provided the expenses and production time are minimum. 20 Ref., 2 Tabl., 6 Fig.
Keywords: aluminium and its alloys, welding methods, welded joints, light welded structures, physico-mechanical and technological properties, weld quality, reliability, service conditions
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