Friction stir welding of high-strength aluminum-lithium V-1469 alloy semiproducts

Lukin V.I., Kulick V.I., Bezophen S.Ya., Lukinа E.A., Sharov A.V., Panteleev M.D., Samorukov M.L.
UDC
621.791.14
DOI
10.18577/2307-6046-2017-0-12-2-2
Article PDF (Russian) (1.01 MB)
How to cite
Lukin V.I., Kulick V.I., Bezophen S.Ya., Lukinа E.A., Sharov A.V., Panteleev M.D., Samorukov M.L. Friction stir welding of high-strength aluminum-lithium V-1469 alloy semiproducts // Proceedings of VIAM. 2017. No. 12. DOI: 10.18577/2307-6046-2017-0-12-2-2. URL: https://test.viam.ru/en/journal/2017/12/2
Keywords
friction stir welding (FSW), high-strength aluminum-lithium alloys, aluminum alloys, transmission electron microscopy (TEM), x-ray analysis, welded fuselage panel.
Abstract

The influence of heat treatment on the mechanical properties, corrosion resistance and structure of welds manufactured from high-strength aluminum-lithium V-1469 alloy pressed panels friction stir welded on the optimal welding parameters was investigated. The investigation of mechanical properties and corrosion resistance shows that the usage of technological scheme: welding+solution+ageing allows to obtain the following level of weld properties – σUTS weld≥0,83σUTS BM, KCU≥134 kJ/m2, IGC: 0,09 мм, layer corrosion of the weld: 3 point.

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