2024 №01 (03) DOI of Article
2024 №01 (05)

Automatic Welding 2024 #01
Avtomaticheskaya Svarka (Automatic Welding), #1, 2024, pp. 33-42

Analysis of the properties and features of high-strength deformable aluminium alloys of Al-Li, Al-Cu-Mn systems used in the aerospace industry in manufacture of welded structures (Review)

V.I. Zagornikov

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

The paper presents the main directions of development in the field of promising aluminium alloys. New generation alloys with improved chemical composition, technologies of production and heat treatment of semi-finished products are considered. The question of the relationship between the structure of the alloys and their operational properties, the influence of heat treatment modes and alloying on mechanical properties and weldability of aluminium alloys in order to obtain the specified predicted operational properties is highlighted. The results of the use of aluminium alloys in aviation and space technology are described. A review of industrial deformable alloys of Al-Li and Al-Cu-Mn system, and comparative characteristics of weldability of various promising aluminium alloys (1460, V-1469, 1201 and their analogues 2090, 2195, 2219) is conducted. 30 Ref., 1 Tabl.
Keywords: heat treatment, weld alloying, weldability assessment, measures to prevent porosity, promising methods of producing welded joints, electron beam welding (EBW)

Received: 01.11.2023
Received in revised form: 10.12.2023
Accepted: 27.12.2023


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