Advanced

Microstructural evolution of titanium under twist extrusion

Beygelzimer, Yan; Varyukhin, Victor; Orlov, Dmitry; Efros, Boris; Stolyarov, Vladimir and Salimgareyev, Hamit (2002) Ultrafine Grained Materials II, 2002 In TMS Annual Meeting p.43-46
Abstract

We present some experimental results describing microstructural evolution in commercially pure titanium during severe plastic deformation by twist extrusion (TE). In particular, we show that increasing the number of TE passes leads to the decrease of the grain size d in both orthogonal and parallel cross-sections of the work piece. For example, if in its original state titanium has d ∼ 25 μm, then after three TE passes, we already have d≤1 μm. Our experimental results show that TE followed by annealing leads to high anisotropy of titanium mechanical properties, which is most likely due to the texture of work pieces. At the same time, the tensile strength, yield stress and plasticity of the specimens fabricated by cross-cutting the work... (More)

We present some experimental results describing microstructural evolution in commercially pure titanium during severe plastic deformation by twist extrusion (TE). In particular, we show that increasing the number of TE passes leads to the decrease of the grain size d in both orthogonal and parallel cross-sections of the work piece. For example, if in its original state titanium has d ∼ 25 μm, then after three TE passes, we already have d≤1 μm. Our experimental results show that TE followed by annealing leads to high anisotropy of titanium mechanical properties, which is most likely due to the texture of work pieces. At the same time, the tensile strength, yield stress and plasticity of the specimens fabricated by cross-cutting the work pieces are very high.

(Less)
Please use this url to cite or link to this publication:
author
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
keywords
Severe plastic deformation, Titanium, Twist extrusion, Ultrafine grained materials
in
TMS Annual Meeting
editor
Zhu, Y.T.; Langdon, T.G.; Mishra, R.S.; Semiatin, S.L.; Saran, M.J.; Lowe, T.C.; ; ; ; ; and
pages
4 pages
conference name
Ultrafine Grained Materials II, 2002
external identifiers
  • scopus:0036441517
language
English
LU publication?
no
id
d664f487-d0f1-46fe-90db-f34d2dd41257
date added to LUP
2016-06-20 15:47:20
date last changed
2017-09-10 05:07:12
@inproceedings{d664f487-d0f1-46fe-90db-f34d2dd41257,
  abstract     = {<p>We present some experimental results describing microstructural evolution in commercially pure titanium during severe plastic deformation by twist extrusion (TE). In particular, we show that increasing the number of TE passes leads to the decrease of the grain size d in both orthogonal and parallel cross-sections of the work piece. For example, if in its original state titanium has d ∼ 25 μm, then after three TE passes, we already have d≤1 μm. Our experimental results show that TE followed by annealing leads to high anisotropy of titanium mechanical properties, which is most likely due to the texture of work pieces. At the same time, the tensile strength, yield stress and plasticity of the specimens fabricated by cross-cutting the work pieces are very high.</p>},
  author       = {Beygelzimer, Yan and Varyukhin, Victor and Orlov, Dmitry and Efros, Boris and Stolyarov, Vladimir and Salimgareyev, Hamit},
  booktitle    = {TMS Annual Meeting},
  editor       = {Zhu, Y.T. and Langdon, T.G. and Mishra, R.S. and Semiatin, S.L. and Saran, M.J. and Lowe, T.C.},
  keyword      = {Severe plastic deformation,Titanium,Twist extrusion,Ultrafine grained materials},
  language     = {eng},
  pages        = {43--46},
  title        = {Microstructural evolution of titanium under twist extrusion},
  year         = {2002},
}