FSW-joints mechanical characteristics optimization by modern computing systems

Bakradze M.M., Panteleev M.D., Skupov A.A., Belozor V.E., Ponomarev P.A.
UDC
621.791.14
DOI
10.18577/2307-6046-2019-0-4-11-20
Article PDF (Russian) (347.27 KB)
How to cite
Bakradze M.M., Panteleev M.D., Skupov A.A., Belozor V.E., Ponomarev P.A. FSW-joints mechanical characteristics optimization by modern computing systems // Proceedings of VIAM. 2019. No. 4. DOI: 10.18577/2307-6046-2019-0-4-11-20. URL: https://test.viam.ru/en/journal/2019/4/2
Keywords
friction stir welding, regression model, aluminum-lithium alloys, mechanical properties, fatigue characteristics.
Abstract

The influence of the friction stir welding parameters of aluminum-lithium alloys V-1461 and V-1469 on welded joint surface roughness and mechanical properties has been investigated. Experiment planning was carried out and mathematical models for the dependencies of strength and roughness on the parameters of the FSW processwere developed. For each of the studied alloys a welding parameter range has been established, which ensures an increased purity of the weld surface after welding(Rz≤50 μm), absence of defects and the welded joint strength
level about 0,75–0,8 of the base metal strength.

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