The requirements for superplasticity with an emphasis on magnesium alloys
The requirements for superplasticity with an emphasis on magnesium alloys
Superplasticity is defined formally as a tensile elongation of at least 400% and a strain rate sensitivity of ?0.5. It is now well established that superplasticity occurs only in materials having very small grain sizes, typically less than ?10??m. These small grains may be achieved in two different ways in magnesium alloys: either by thermomechanical processing or through the occurrence of recrystallization in the early stages of deformation in alloys tested with coarse grain sizes.
superplasticity, magnesium, alloys
127-131
Kawasaki, Megumi
944ba471-eb78-46db-bfb7-3f0296d9ef6d
Figueiredo, Roberto B.
2e0060b8-6368-4d87-825a-c3cb90e92145
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
January 2016
Kawasaki, Megumi
944ba471-eb78-46db-bfb7-3f0296d9ef6d
Figueiredo, Roberto B.
2e0060b8-6368-4d87-825a-c3cb90e92145
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Kawasaki, Megumi, Figueiredo, Roberto B. and Langdon, Terence G.
(2016)
The requirements for superplasticity with an emphasis on magnesium alloys.
Advanced Engineering Materials, 18 (1), .
(doi:10.1002/adem.201500068).
Abstract
Superplasticity is defined formally as a tensile elongation of at least 400% and a strain rate sensitivity of ?0.5. It is now well established that superplasticity occurs only in materials having very small grain sizes, typically less than ?10??m. These small grains may be achieved in two different ways in magnesium alloys: either by thermomechanical processing or through the occurrence of recrystallization in the early stages of deformation in alloys tested with coarse grain sizes.
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e-pub ahead of print date: 7 April 2015
Published date: January 2016
Keywords:
superplasticity, magnesium, alloys
Organisations:
Engineering Mats & Surface Engineerg Gp, Engineering Science Unit, Faculty of Engineering and the Environment
Identifiers
Local EPrints ID: 388007
URI: http://eprints.soton.ac.uk/id/eprint/388007
ISSN: 1438-1656
PURE UUID: d26eccd7-00c2-4c44-8293-16eea4bd2a31
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Date deposited: 17 Feb 2016 14:28
Last modified: 15 Mar 2024 03:14
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Author:
Megumi Kawasaki
Author:
Roberto B. Figueiredo
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