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The potential for achieving superplasticity in high-entropy alloys processed by severe plastic deformation

The potential for achieving superplasticity in high-entropy alloys processed by severe plastic deformation
The potential for achieving superplasticity in high-entropy alloys processed by severe plastic deformation
High-entropy alloys (HEAs) are now becoming important because they offer unique combinations of solid solution strengthening and good ductility at low temperatures. Only limited information is at present available on the high temperature mechanical properties of these materials. Nevertheless, it is evident that, as in conventional metallic alloys, processing through the application of severe plastic deformation can reduce the grain size to the nanometer range and this provides a potential for achieving good superplastic elongations. The superplastic data available to date are examined in this review and a comparison is made between the behaviour of HEAs and conventional superplastic alloys.
1757-899X
1-6
Shahmir, Hamed
9d330616-d35d-4db0-96e8-26195ae1c511
Kawasaki, Megumi
944ba471-eb78-46db-bfb7-3f0296d9ef6d
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Shahmir, Hamed
9d330616-d35d-4db0-96e8-26195ae1c511
Kawasaki, Megumi
944ba471-eb78-46db-bfb7-3f0296d9ef6d
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86

Shahmir, Hamed, Kawasaki, Megumi and Langdon, Terence G. (2017) The potential for achieving superplasticity in high-entropy alloys processed by severe plastic deformation. IOP Conference Series: Materials Science and Engineering, 194, 1-6, [012040]. (doi:10.1088/1757-899X/194/1/012040).

Record type: Article

Abstract

High-entropy alloys (HEAs) are now becoming important because they offer unique combinations of solid solution strengthening and good ductility at low temperatures. Only limited information is at present available on the high temperature mechanical properties of these materials. Nevertheless, it is evident that, as in conventional metallic alloys, processing through the application of severe plastic deformation can reduce the grain size to the nanometer range and this provides a potential for achieving good superplastic elongations. The superplastic data available to date are examined in this review and a comparison is made between the behaviour of HEAs and conventional superplastic alloys.

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More information

Accepted/In Press date: 12 April 2017
e-pub ahead of print date: 8 May 2017
Published date: 2017
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 408337
URI: http://eprints.soton.ac.uk/id/eprint/408337
ISSN: 1757-899X
PURE UUID: 43365738-bb68-4dc0-b8d8-ac5883747b8e
ORCID for Terence G. Langdon: ORCID iD orcid.org/0000-0003-3541-9250

Catalogue record

Date deposited: 19 May 2017 04:03
Last modified: 26 Nov 2021 02:46

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Contributors

Author: Hamed Shahmir
Author: Megumi Kawasaki

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