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Metallurgist
Published in: Metallurgist 3-4/2018

22-08-2018

Alloy Ti–3Al–2.5V Hot-Extruded Pipe Metal Structure and Properties

Authors: I. Yu. Pyshmintsev, Ya. I. Kosmatskii, E. A. Filyaeva, A. G. Illarionov, F. V. Vodolazskii, N. A. Barannikova

Published in: Metallurgist | Issue 3-4/2018

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Abstract

Methods of macro- and microstructural, x-ray structural analyses and mechanical tensile tests of the structure and properties of Ti–3Al–2.5V alloy hot-extruded intended for subsequent cold rolling are studied. Hot-extruded pipe is produced according to the scheme: expansion in a vertical press → extrusion in a horizontal press. It is shown that during sleeve expansion structure and phase structure do not change markedly compared with the initial hot-rolled semi-finished product in two-phase (α+β)-region. Hot extrusion in the recommended temperature range provides formation of a sufficiently homogeneous, well worked macro- and microstructure with a tangential basic texture of α-phase. A set of mechanical properties for hot-extruded pipe of alloy Ti–3Al–2.5V required for performing subsequent cold rolling used in the final stages of pipe preparation by TREX technology is provided.
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Metadata
Title
Alloy Ti–3Al–2.5V Hot-Extruded Pipe Metal Structure and Properties
Authors
I. Yu. Pyshmintsev
Ya. I. Kosmatskii
E. A. Filyaeva
A. G. Illarionov
F. V. Vodolazskii
N. A. Barannikova
Publication date
22-08-2018
Publisher
Springer US
Published in
Metallurgist / Issue 3-4/2018
Print ISSN: 0026-0894
Electronic ISSN: 1573-8892
DOI
https://doi.org/10.1007/s11015-018-0671-5

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