Investigation of the influence of heat treatment modes in the β-region on the structure and mechanical properties of semi-finished products from the VT22M alloy

Krokhinа V.A., Arislanov A.A., Putyrskiy S.V., Naprienko S.A.
UDC
669.15
DOI
10.18577/2307-6046-2023-0-8-25-34
Article PDF (Russian) (1.07 MB)
How to cite
Krokhinа V.A., Arislanov A.A., Putyrskiy S.V., Naprienko S.A. Investigation of the influence of heat treatment modes in the β-region on the structure and mechanical properties of semi-finished products from the VT22M alloy // Proceedings of VIAM. 2023. No. 8. DOI: 10.18577/2307-6046-2023-0-8-25-34. URL: https://test.viam.ru/en/journal/2023/8/3
Keywords
titanium alloy VT22M, microstructure, mechanical properties, fractographic analysis of fractures
Abstract

. Presents the results of a study of the structure and mechanical properties of semi-finished products from the VT22M alloy after various modes of heat treatment with heating in the β-region. The regimes differed in the rate of cooling from the β-region and the presence of intermediate exposures. The study of mechanical properties in tension, impact strength and fracture toughness was carried out, the analysis of macrostructure and microstructure was carried out. After testing for fracture toughness, fractographic studies were performed to assess the nature of the fracture of the samples. The effect of heat treatment modes in the β-region on the structure and mechanical properties of semi-finished products from the VT22M alloy is shown.

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