Structural features and mechanical properties of joints, produced by electron beam welding of strip extrusions from aluminum-lithium alloy V-1469

Benarieb I., Romanenko V.A., Panteleev M.D., Oglodkov M.S., Ovchinnikov V.V., Filonova E.V.
UDC
669.715:669.018.62
DOI
10.18577/2307-6046-2024-0-4-33-49
Article PDF (Russian) (1.95 MB)
How to cite
Benarieb I., Romanenko V.A., Panteleev M.D., Oglodkov M.S., Ovchinnikov V.V., Filonova E.V. Structural features and mechanical properties of joints, produced by electron beam welding of strip extrusions from aluminum-lithium alloy V-1469 // Proceedings of VIAM. 2024. No. 4. DOI: 10.18577/2307-6046-2024-0-4-33-49. URL: https://test.viam.ru/en/journal/2024/4/3
Keywords
aluminum-lithium alloys, Al–Cu–Li system, alloy V-1469, electron-beam welding, liquation cracks, differential scanning calorimetry
Abstract

This paper presents results of study of the microstructure and mechanical properties of welded joints produced by electron beam welding of strip extrusions from high-strength alloy V-1469 of Al–Cu–Li system. The features of the structural and phase state of the material
in various zones of electron beam welding joint are studied by means of scanning and transmission
electron microscopy, thermal analysis and thermodynamic modeling. The influence of welding speed
on the mechanical properties and nature of fracture of welds was studied

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