Twist extrusion: fundamentals and applications

V. Varyukhin, Y. Beygelzimer, R. Kulagin, O. Prokof'eva, A. Reshetov

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

We present a study of the kinematics of Twist Extrusion (TE) and show that the mode of deformation in TE is a simple shear. Unlike in Equal-Channel Angular Pressing (ECAP), there are two main shear layers perpendicular to the specimen axis. TE has a significant commercial potential due to the following physical effects: intensive grain refinement; homogenization and mixing; intensive powder consolidation. Donetsk Institute for Physics and Engineering created a TE Center to showcase the process and educate investors. Our experience with the center has shown that the most prospective directions are producing ultrafine-grained (UFG) alloys for medical and aircraft applications.

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Extrusion
consolidation
shear layers
pressing
homogenizing
aircraft
kinematics
engineering
shear
Equal channel angular pressing
physics
Grain refinement
Consolidation
Powders
Kinematics
Physics
Aircraft

Keywords

  • severe plastic deformation
  • twist extrusion
  • ultrafine grained materials

Cite this

Varyukhin, V. ; Beygelzimer, Y. ; Kulagin, R. ; Prokof'eva, O. ; Reshetov, A. / Twist extrusion : fundamentals and applications. In: Materials Science Forum. 2010 ; Vol. 667-669. pp. 31-37.
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Twist extrusion : fundamentals and applications. / Varyukhin, V.; Beygelzimer, Y.; Kulagin, R.; Prokof'eva, O.; Reshetov, A.

In: Materials Science Forum, Vol. 667-669, 30.12.2010, p. 31-37.

Research output: Contribution to journalArticle

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