Strengthening of metals through severe plastic deformation
Strengthening of metals through severe plastic deformation
The processing of bulk metals through the application of severe plastic deformation (SPD) provides an opportunity for achieving excellent grain refinement to the submicrometer or even the nanometer range. These SPD procedures produce materials exhibiting improved mechanical properties including very high strength. This report describes recent results demonstrating the strengthening of conventional metallic alloys processed by high-pressure torsion (HPT). It shows also that exceptionally high strength may be achieved by synthesizing a metal matrix nano-composite using HPT to simultaneously process two different metal disks. Special emphasis is placed on the significance of grain refinement in producing strengthening by HPT.
13-24
Kawasaki, Megumi
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Lee, Han-Joo
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Jang, Jae-il
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Langdon, Terence G.
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22 March 2017
Kawasaki, Megumi
edc9013d-79df-4981-a896-a717baf49cbf
Lee, Han-Joo
8209dc7a-39df-4a94-a8d9-15c8788f0f1b
Jang, Jae-il
a18b6cdb-eef8-4da9-832b-555b661e0902
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Kawasaki, Megumi, Lee, Han-Joo, Jang, Jae-il and Langdon, Terence G.
(2017)
Strengthening of metals through severe plastic deformation.
Reviews on Advanced Materials Science, 48 (1), .
Abstract
The processing of bulk metals through the application of severe plastic deformation (SPD) provides an opportunity for achieving excellent grain refinement to the submicrometer or even the nanometer range. These SPD procedures produce materials exhibiting improved mechanical properties including very high strength. This report describes recent results demonstrating the strengthening of conventional metallic alloys processed by high-pressure torsion (HPT). It shows also that exceptionally high strength may be achieved by synthesizing a metal matrix nano-composite using HPT to simultaneously process two different metal disks. Special emphasis is placed on the significance of grain refinement in producing strengthening by HPT.
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2017-RAMS-Kawasaki-48-13
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Accepted/In Press date: 3 March 2017
e-pub ahead of print date: 22 March 2017
Published date: 22 March 2017
Identifiers
Local EPrints ID: 415061
URI: http://eprints.soton.ac.uk/id/eprint/415061
ISSN: 1605-8127
PURE UUID: b76e889e-12d1-480a-9d9b-7c135e0a1ab0
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Date deposited: 24 Oct 2017 16:30
Last modified: 16 Mar 2024 03:28
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Contributors
Author:
Megumi Kawasaki
Author:
Han-Joo Lee
Author:
Jae-il Jang
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