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Achieving high strain rate superplasticity in Al-Mg-Sc-Zr alloys after severe plastic deformation

Perevezentsev, V.N., Chuvil’deev, V.N., Sysoev, A.N., Kopylov, V.I. and Langdon, T.G. (2002) Achieving high strain rate superplasticity in Al-Mg-Sc-Zr alloys after severe plastic deformation Physics of Metals and Metallography, 94, (Supplement 1), pp. 45-53.

Record type: Article


The application of severe plastic deformation to metallic alloys via the procedure of equal-channel angular pressing (ECAP) leads to significant grain refinement and an opportunity for achieving superplastic deformability at very high strain rates (10–2 s–1). The development of high-strain-rate superplastic alloys is important because it provides the possibility for making use of superplastic forming for the rapid fabrication of complex components. Experiments were conducted to evaluate the mechanical properties of a series of Al–Mg– Sc–Zr alloys after ECAP. The results demonstrate that some of these alloys exhibit exceptionally high tensile ductilities (elongations up to > 2000%) at very rapid strain rates.

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Published date: 2002


Local EPrints ID: 23787
ISSN: 0031-918X
PURE UUID: 46e9b8e8-2e6d-4fda-8147-01a1a8e6a21d
ORCID for T.G. Langdon: ORCID iD

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Date deposited: 30 Mar 2006
Last modified: 17 Jul 2017 16:16

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Author: V.N. Perevezentsev
Author: V.N. Chuvil’deev
Author: A.N. Sysoev
Author: V.I. Kopylov
Author: T.G. Langdon ORCID iD

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