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A visualization of shear strain in processing by high-pressure torsion

A visualization of shear strain in processing by high-pressure torsion
A visualization of shear strain in processing by high-pressure torsion
Optical microscopy was used to examine the shear strain imposed in duplex stainless steel disks during processing by high-pressure torsion (HPT). The results show a double-swirl pattern emerges in the early stages of HPT and the two centres of the swirl move towards the centre of the disk with increasing revolutions. Local shear vortices also develop with increasing numbers of revolutions. At 20 revolutions, there is a uniform shear strain pattern throughout the disk and no local shear vortices
0022-2461
765-770
Cao, Y.
2a06c7de-86c5-4804-ab45-20266cbea4cf
Wang, Y.B.
30d7b540-dc88-4382-867a-28d0354a8495
Alhajeri, S.N.
4d3f50b6-87ab-4690-87dd-bea08fb1c77f
Liao, X.Z.
f0645a6d-aee1-4d28-aa13-f1b00fdedc41
Zheng, W.L.
72cd0222-007a-49b5-9189-447fc8223eed
Ringer, S.P.
2b986d4b-e93c-4801-9a1b-b16b39c30242
Langdon, T.G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Zhu, Y.T.
ddbd5b30-13ca-45a6-9296-ed5b60811efb
Cao, Y.
2a06c7de-86c5-4804-ab45-20266cbea4cf
Wang, Y.B.
30d7b540-dc88-4382-867a-28d0354a8495
Alhajeri, S.N.
4d3f50b6-87ab-4690-87dd-bea08fb1c77f
Liao, X.Z.
f0645a6d-aee1-4d28-aa13-f1b00fdedc41
Zheng, W.L.
72cd0222-007a-49b5-9189-447fc8223eed
Ringer, S.P.
2b986d4b-e93c-4801-9a1b-b16b39c30242
Langdon, T.G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Zhu, Y.T.
ddbd5b30-13ca-45a6-9296-ed5b60811efb

Cao, Y., Wang, Y.B., Alhajeri, S.N., Liao, X.Z., Zheng, W.L., Ringer, S.P., Langdon, T.G. and Zhu, Y.T. (2010) A visualization of shear strain in processing by high-pressure torsion. Journal of Materials Science, 45 (3), 765-770. (doi:10.1007/s10853-009-3998-2).

Record type: Article

Abstract

Optical microscopy was used to examine the shear strain imposed in duplex stainless steel disks during processing by high-pressure torsion (HPT). The results show a double-swirl pattern emerges in the early stages of HPT and the two centres of the swirl move towards the centre of the disk with increasing revolutions. Local shear vortices also develop with increasing numbers of revolutions. At 20 revolutions, there is a uniform shear strain pattern throughout the disk and no local shear vortices

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More information

Submitted date: February 2010
Published date: February 2010
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 72360
URI: http://eprints.soton.ac.uk/id/eprint/72360
ISSN: 0022-2461
PURE UUID: 252c46de-a630-4746-9e61-dc78a4afd4cd
ORCID for T.G. Langdon: ORCID iD orcid.org/0000-0003-3541-9250

Catalogue record

Date deposited: 10 Feb 2010
Last modified: 10 Dec 2019 01:47

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Contributors

Author: Y. Cao
Author: Y.B. Wang
Author: S.N. Alhajeri
Author: X.Z. Liao
Author: W.L. Zheng
Author: S.P. Ringer
Author: T.G. Langdon ORCID iD
Author: Y.T. Zhu

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