Twist extrusion: fundamentals and applications

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

doi:10.4028/www.scientific.net/MSF.667-669.31

Twist extrusion: fundamentals and applications

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

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

23 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.

Original language	English
Pages (from-to)	31-37
Number of pages	7
Journal	Materials Science Forum
Volume	667-669
DOIs	https://doi.org/10.4028/www.scientific.net/MSF.667-669.31
Publication status	Published - 30 Dec 2010
Externally published	Yes
Event	5th International Conference on Nanomaterials by Severe Plastic Deformation, NanoSPD5 - Nanjing, China Duration: 21 Mar 2011 → 25 Mar 2011

Keywords

severe plastic deformation
twist extrusion
ultrafine grained materials

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AU - Prokof'eva, O.

AU - Reshetov, A.

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AB - 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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Twist extrusion: fundamentals and applications

Abstract

Keywords

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