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- W4367341661 abstract "The features of the formation of the microstructure of welded joints of sheets of aluminum alloy V-1381 of the Al – Mg – Si – Cu system, obtained with various parameters of automatic argon-arc welding, were studied. Welding modes were selected that provide a high-quality welded joint and strength at a level not lower than 0.8 of the strength of the base metal. It has been established that welding without filler wire leads to cracking without applying tensile deformation, the use of Sv1221 filler wire compared to SvAMg61 and SvAK5 leads to an increase in the strength characteristics of welded joints by 15 – 20 %. Corrosion resistance of welded joints of sheets from V-1381 alloy was determined. Various experimental modes of laser welding were tested, the microstructure and mechanical properties of welded joints were studied. Parameters have been selected that ensure high quality of welds. The possibility of using laser welding for semi-finished products from alloy V-1381 has been established. The new V-1381 alloy can be recommended for use in aircraft fuselage structural elements, including as an alternative to less corrosion-resistant non-weldable alloys of the D16 type, which will increase the weight efficiency of structures both due to increased strength and through the use of welded joints instead of riveted ones." @default.
- W4367341661 created "2023-04-30" @default.
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- W4367341661 date "2023-01-01" @default.
- W4367341661 modified "2023-10-14" @default.
- W4367341661 title "Study of weldability of semi-products from an alloy of the Al – Mg – Si – Cu system" @default.
- W4367341661 doi "https://doi.org/10.30791/1028-978x-2023-3-5-13" @default.
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