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Refinement of microstructure and mechanical properties of titanium processed by twist extrusion and subsequent rolling

Stolyarov, V. V. ; Beigel'zimer, Ya E. ; Orlov, D. V. LU orcid and Valiev, R. Z. (2005) In Physics of Metals and Metallography 99(2). p.204-211
Abstract

Microstructure and mechanical properties as well as thermal stability of commercially pure titanium VT1-0 subjected to severe plastic deformation by twist extrusion (TE) were studied before and after low-temperature annealing and cold rolling. TE leads to a refinement of structural fragments to sizes of less than 1 μm, enhancement of strength, and the appearance of strong anisotropy of mechanical properties. Subsequent low-temperature annealing increases plasticity of the deformed titanium, retaining its enhanced strength. A combined treatment (TE and rolling) results in an additional refinement of the microstructure, which remains thermally stable to 300-350°C, and changes the anisotropy of mechanical properties.

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author
; ; and
publishing date
type
Contribution to journal
publication status
published
subject
in
Physics of Metals and Metallography
volume
99
issue
2
pages
8 pages
publisher
MAIK Nauka/Interperiodica
external identifiers
  • scopus:17144390666
ISSN
0031-918X
language
English
LU publication?
no
id
53038f8e-c3cd-454a-995f-8ed8e1d03756
date added to LUP
2016-06-20 15:45:14
date last changed
2022-01-30 04:37:13
@article{53038f8e-c3cd-454a-995f-8ed8e1d03756,
  abstract     = {{<p>Microstructure and mechanical properties as well as thermal stability of commercially pure titanium VT1-0 subjected to severe plastic deformation by twist extrusion (TE) were studied before and after low-temperature annealing and cold rolling. TE leads to a refinement of structural fragments to sizes of less than 1 μm, enhancement of strength, and the appearance of strong anisotropy of mechanical properties. Subsequent low-temperature annealing increases plasticity of the deformed titanium, retaining its enhanced strength. A combined treatment (TE and rolling) results in an additional refinement of the microstructure, which remains thermally stable to 300-350°C, and changes the anisotropy of mechanical properties.</p>}},
  author       = {{Stolyarov, V. V. and Beigel'zimer, Ya E. and Orlov, D. V. and Valiev, R. Z.}},
  issn         = {{0031-918X}},
  language     = {{eng}},
  number       = {{2}},
  pages        = {{204--211}},
  publisher    = {{MAIK Nauka/Interperiodica}},
  series       = {{Physics of Metals and Metallography}},
  title        = {{Refinement of microstructure and mechanical properties of titanium processed by twist extrusion and subsequent rolling}},
  volume       = {{99}},
  year         = {{2005}},
}