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Principles of deformation in single crystals of two different orientations processed by equal-channel angular pressing

Principles of deformation in single crystals of two different orientations processed by equal-channel angular pressing
Principles of deformation in single crystals of two different orientations processed by equal-channel angular pressing
The use of single crystals in equal-channel angular pressing provides an opportunity for critically examining the deformation characteristics without including any artifacts due to the presence of grain boundaries. This paper presents an overview of recent experiments in which crystals of high-purity aluminum and copper were pressed through one pass in ECAP using crystals having two different initial orientations: a 0° orientation where the {1 1 1} slip plane lies parallel to the theoretical shear plane and the 1 1 0 slip direction lies parallel to the shear direction and a 20° orientation where the crystal is rotated about a horizontal axis by 20° in a clockwise sense. The experimental results show good agreement between these two materials but some variations arise because of the difference in the strain hardening rate for the two materials.
0921-5093
21-27
Furukawa, Minoru
1ff823a3-0407-4215-889d-92fb66f8915c
Horita, Zenji
011521b8-3b29-494b-bf3f-346827ddbcce
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Furukawa, Minoru
1ff823a3-0407-4215-889d-92fb66f8915c
Horita, Zenji
011521b8-3b29-494b-bf3f-346827ddbcce
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86

Furukawa, Minoru, Horita, Zenji and Langdon, Terence G. (2009) Principles of deformation in single crystals of two different orientations processed by equal-channel angular pressing. Materials Science and Engineering: A, 503 (1-2), 21-27. (doi:10.1016/j.msea.2008.03.053).

Record type: Article

Abstract

The use of single crystals in equal-channel angular pressing provides an opportunity for critically examining the deformation characteristics without including any artifacts due to the presence of grain boundaries. This paper presents an overview of recent experiments in which crystals of high-purity aluminum and copper were pressed through one pass in ECAP using crystals having two different initial orientations: a 0° orientation where the {1 1 1} slip plane lies parallel to the theoretical shear plane and the 1 1 0 slip direction lies parallel to the shear direction and a 20° orientation where the crystal is rotated about a horizontal axis by 20° in a clockwise sense. The experimental results show good agreement between these two materials but some variations arise because of the difference in the strain hardening rate for the two materials.

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More information

Published date: 2009
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 67616
URI: https://eprints.soton.ac.uk/id/eprint/67616
ISSN: 0921-5093
PURE UUID: f225e58c-6cd3-4891-8d18-6475e21e7c8b
ORCID for Terence G. Langdon: ORCID iD orcid.org/0000-0003-3541-9250

Catalogue record

Date deposited: 02 Sep 2009
Last modified: 06 Jun 2018 12:48

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