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Metallurgist

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25-02-2023

Influence of Manufacturing Parameters on Pseudo-β-Titanium Alloy VT47 Sheet Structural State and Mechanical Property Anisotropy

Authors: N. A. Nochovnaya, A. A. Shiryaev, E. A. Davydova

Published in: Metallurgist | Issue 9-10/2023

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Abstract

The influence thermomechanical treatment processing parameters on mechanical properties of metastable β -titanium alloy VT47 hot rolled sheets is investigated. It is shown that the alloy is effectively hardened by low-temperature thermomechanical treatment (LTMT) after cold rolling with plastic deformation from 15 to 65% and subsequent ageing at different temperatures. Cold rolling with plastic deformation up to 25% allows for moderate mechanical property anisotropy after ageing. LTMT leads to formation of a homogeneous mixture of very finely dispersed secondary α -phase precipitates, which are fairly uniformly distributed within an initial β -grain. Based on analysis results for a set of factors (workability, the level of mechanical properties, microstructure) LTMT regimes are selected for subsequent research providing a good set of mechanical properties.

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Title: Influence of Manufacturing Parameters on Pseudo-β-Titanium Alloy VT47 Sheet Structural State and Mechanical Property Anisotropy
Authors: N. A. Nochovnaya
A. A. Shiryaev
E. A. Davydova
Publication date: 25-02-2023
Publisher: Springer US
Published in: Metallurgist / Issue 9-10/2023
Print ISSN: 0026-0894
Electronic ISSN: 1573-8892
DOI: https://doi.org/10.1007/s11015-023-01434-2

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