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Evolution of plasticity, strain-rate sensitivity and the underlying deformation mechanism in Zn-22%Al during high-pressure torsion

Evolution of plasticity, strain-rate sensitivity and the underlying deformation mechanism in Zn-22%Al during high-pressure torsion
Evolution of plasticity, strain-rate sensitivity and the underlying deformation mechanism in Zn-22%Al during high-pressure torsion
This study explores the evolution of plasticity, strain-rate sensitivity and the underlying deformation mechanism of a Zn–22% Al eutectoid alloy during high-pressure torsion processing. The experiments reveal an optimal torsional straining condition for achieving the largest plasticity; beyond this condition the strain-rate sensitivity decreases and activation volume increases. The results are discussed in terms of changes in the microstructure and the underlying deformation mechanism
1359-6462
102-105
Choi, I.C.
c53e67bf-ee34-4303-94ad-d9cddbaa28b4
Kim, Y.J.
ce24f788-f9c6-46c5-a2f0-e8fc219d0eee
Ahn, B.
0b971678-64a2-4079-9cae-f8a6923eb9e2
Kawasaki, M.
d0ce18b9-8403-4db2-9cb2-3a6165f288a6
Langdon, T.G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Jiang, J.I.
55383b24-0e2c-4ca3-bbf4-2c25a487b4fd
Choi, I.C.
c53e67bf-ee34-4303-94ad-d9cddbaa28b4
Kim, Y.J.
ce24f788-f9c6-46c5-a2f0-e8fc219d0eee
Ahn, B.
0b971678-64a2-4079-9cae-f8a6923eb9e2
Kawasaki, M.
d0ce18b9-8403-4db2-9cb2-3a6165f288a6
Langdon, T.G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Jiang, J.I.
55383b24-0e2c-4ca3-bbf4-2c25a487b4fd

Choi, I.C., Kim, Y.J., Ahn, B., Kawasaki, M., Langdon, T.G. and Jiang, J.I. (2014) Evolution of plasticity, strain-rate sensitivity and the underlying deformation mechanism in Zn-22%Al during high-pressure torsion. Scripta Materialia, 75, 102-105. (doi:10.1016/j.scriptamat.2013.12.003).

Record type: Article

Abstract

This study explores the evolution of plasticity, strain-rate sensitivity and the underlying deformation mechanism of a Zn–22% Al eutectoid alloy during high-pressure torsion processing. The experiments reveal an optimal torsional straining condition for achieving the largest plasticity; beyond this condition the strain-rate sensitivity decreases and activation volume increases. The results are discussed in terms of changes in the microstructure and the underlying deformation mechanism

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Published date: 2014
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 364432
URI: http://eprints.soton.ac.uk/id/eprint/364432
DOI: doi:10.1016/j.scriptamat.2013.12.003
ISSN: 1359-6462
PURE UUID: f6b24124-a6ac-49d5-9efb-44582796c3a8
ORCID for T.G. Langdon: ORCID iD orcid.org/0000-0003-3541-9250

Catalogue record

Date deposited: 28 Apr 2014 10:46
Last modified: 15 Mar 2024 03:13

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Contributors

Author: I.C. Choi
Author: Y.J. Kim
Author: B. Ahn
Author: M. Kawasaki
Author: T.G. Langdon ORCID iD
Author: J.I. Jiang

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