Researching of mechanical properties of deformed semi-finished products of VT23M and VT43 alloys, assessment of their climatic stability in the arctic climate

Putyrskiy S.V., Arislanov A.A., Yakovlev A.L., Nochovnaya N.A.
UDC
620.1:669.017
DOI
10.18577/2307-6046-2018-0-4-101-110
Article PDF (Russian) (874.69 KB)
How to cite
Putyrskiy S.V., Arislanov A.A., Yakovlev A.L., Nochovnaya N.A. Researching of mechanical properties of deformed semi-finished products of VT23M and VT43 alloys, assessment of their climatic stability in the arctic climate // Proceedings of VIAM. 2018. No. 4. DOI: 10.18577/2307-6046-2018-0-4-101-110. URL: https://test.viam.ru/en/journal/2018/4/12
Keywords
high-strength titanium alloys, deformation, climatic tests, mechanical properties, heat treatment, microstructure, Arctic, corrosion.
Abstract

The studies, showed, that the structure of the manufactured semi-finished products from the alloys VT23M and VT43 is typical for deformable semi-finished of (α+β) titanium alloys. It was noted that the average size of structural components of semi-finished products of VT43 alloy is smaller than that of VT23M semi-finished products. Tensile tests to determine the mechanical properties of samples from sheets and bars of VT23M and VT43 alloys were carried out at room temperature (20°C) and lowered (-60°C) temperatures. Since the sheets of the VT43 alloy were first obtained within the framework of this work, in order to evaluate the anisotropy of the mechanical properties, tensile tests at a temperature of +20°C were carried out in the longitudinal and transverse directions of hot rolling. It is shown that under the same production conditions for the of sheets from the investigated alloys, the alloy VT43 has a 9,6% higher strength, with an equal elongation. The comparison is given for th

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