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Factors influencing superplastic behavior in a magnesium ZK60 Alloy processed by equal-channel angular pressing

Figueiredo, Roberto B. and Langdon, Terence G. (2009) Factors influencing superplastic behavior in a magnesium ZK60 Alloy processed by equal-channel angular pressing Materials Science and Engineering: A, 503, (1-2), pp. 141-144. (doi:10.1016/j.msea.2008.04.080).

Record type: Article

Abstract

Processing by equal-channel angular pressing was used to refine the grain size of a magnesium ZK60 alloy to ~0.8 ?m and introduce a superplastic capability. Superplastic elongations up to >1000% were achieved at temperatures of 450 and 473 K but the superplastic behavior was lost at 493 K because of grain growth. The strain rate sensitivity under optimum superplastic conditions was measured as ~0.5 which is consistent with conventional superplastic flow.

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More information

Published date: 15 March 2009
Additional Information: International Symposium on Bulk Nanostructured Materials: from Fundamentals to Innovation, BNM 2007
Keywords: equal-channel angular pressing, grain stability, magnesium: superplasticity, strain rate sensitivity
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 67627
URI: http://eprints.soton.ac.uk/id/eprint/67627
ISSN: 0921-5093
PURE UUID: a6c2638a-3262-4787-af71-fafccd501f0f
ORCID for Terence G. Langdon: ORCID iD orcid.org/0000-0003-3541-9250

Catalogue record

Date deposited: 28 Aug 2009
Last modified: 19 Jul 2017 00:18

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Contributors

Author: Roberto B. Figueiredo

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