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Enhanced strength–ductility synergy in nanostructured Cu and Cu–Al alloys processed by high-pressure torsion and subsequent annealing

An, X.H, Wu, S.D, Zhang, Z. F, Figueiredo, R.B., Gao, N. and Langdon, T.G. (2012) Enhanced strength–ductility synergy in nanostructured Cu and Cu–Al alloys processed by high-pressure torsion and subsequent annealing Scripta Materialia, 66, (5), pp. 227-230. (doi:10.1016/j.scriptamat.2011.10.043).

Record type: Article

Abstract

Nanostructured Cu and Cu–Al alloys processed by high-pressure torsion were isochronally annealed to investigate the effects of the stacking fault energy (SFE) on strength and ductility. All metals exhibit a similar general trend that the strength decreases and the ductility improves with increasing annealing temperatures, and a notable enhancement of ductility was achieved only when the volume fraction of recrystallized grains exceeded ~80%. The strength–ductility synergy improves significantly with decreasing SFE

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e-pub ahead of print date: 2 November 2011
Published date: March 2012
Keywords: Cu and Cu–Al alloy, high-pressure torsion (HPT), nanostructure, strength–ductility synergy, stacking fault energy (SFE)
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 300700
URI: http://eprints.soton.ac.uk/id/eprint/300700
ISSN: 1359-6462
PURE UUID: 20e476b9-3695-4bb0-9983-c778e973ae46
ORCID for T.G. Langdon: ORCID iD orcid.org/0000-0003-3541-9250

Catalogue record

Date deposited: 29 Feb 2012 09:52
Last modified: 14 Jul 2017 16:32

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Contributors

Author: X.H An
Author: S.D Wu
Author: Z. F Zhang
Author: R.B. Figueiredo
Author: N. Gao
Author: T.G. Langdon ORCID iD

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