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Factors influencing ductility in ultrafine-grained metals processed by equal-channel angular pressing

Record type: Article

The processing of bulk metals through the application of severe plastic deformation provides an opportunity for achieving exceptional grain refinement to the submicrometer or even the nanometer range. This paper examines the characteristics of metals processed by equal-channel angular pressing with special emphasis on the levels of ductility that may be attained. It is shown that the amount of ductility is dependent not only upon the composition of the material but also, and to a major extent, upon the testing temperature. Specifically, the ductilities are often low at ambient temperatures where the strength of the as-processed material is relatively high but, by contrast, exceptionally high superplastic ductilities may be achieved over short ranges of strain rate when testing at elevated temperatures

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Citation

Figueiredo, Roberto B., Duan, Zhi Chao, Kawasaki, Megumi and Langdon, Terence G. (1970) Factors influencing ductility in ultrafine-grained metals processed by equal-channel angular pressing Materials Science Forum, 633-634, pp. 341-352. (doi:10.4028/www.scientific.net/MSF.633-634.341).

More information

Published date: 1 January 1970
Keywords: aluminum alloy, ductility, equal channel angular pressing (ECAP), magnesium alloy, superplasticity
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 72222
URI: http://eprints.soton.ac.uk/id/eprint/72222
ISSN: 1662-9752
PURE UUID: a772b4cb-b845-4f53-8de8-c806ae3a1110
ORCID for Terence G. Langdon: ORCID iD orcid.org/0000-0003-3541-9250

Catalogue record

Date deposited: 01 Feb 2010
Last modified: 18 Jul 2017 23:55

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Contributors

Author: Roberto B. Figueiredo
Author: Zhi Chao Duan
Author: Megumi Kawasaki

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