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An investigation of cavity development in a superplastic aluminium alloy prepared by equal-channel angular pressing

Record type: Conference or Workshop Item (Paper)

Experiments were conducted on a commercial aluminum Al-2004 alloy known as Supral 100 and containing 6% Cu and 0.4% Zr. This material was subjected to Equal-Channel Angular Pressing (ECAP) over a range of experimental conditions and the mechanical properties of the as-pressed samples were determined using standard tensile testing. Samples were pulled to failure and the level of internal cavitation was then recorded quantitatively using metallographic techniques. The results show this alloy exhibits good superplastic properties after ECAP with total tensile elongations up to >1000%. As in conventional superplasticity, there is the development of extensive internal cavitation in this alloy in the as-pressed condition. Measurements are reported for the average sizes and shapes of these cavities.

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Citation

Xu, C., Lee, S. and Langdon, T.G., (2001) An investigation of cavity development in a superplastic aluminium alloy prepared by equal-channel angular pressing Chandra, Namas (ed.) In Superplasticity in Advanced Materials - ICSAM-2000. Trans Tech., pp. 521-526.

More information

Published date: 2001
Additional Information: Series ISSN: 0255-5476
Venue - Dates: International Conference on Superplasticity in Advanced Materials (ICSAM-2000), 2000-08-01 - 2000-08-04

Identifiers

Local EPrints ID: 23455
URI: http://eprints.soton.ac.uk/id/eprint/23455
ISBN: 0878498745
ISSN: 0255-5476
PURE UUID: bdcc940e-151f-4516-9fca-5710b20135a0
ORCID for T.G. Langdon: ORCID iD orcid.org/0000-0003-3541-9250

Catalogue record

Date deposited: 23 Mar 2006
Last modified: 17 Jul 2017 16:17

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Contributors

Author: C. Xu
Author: S. Lee
Author: T.G. Langdon ORCID iD
Editor: Namas Chandra

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