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Strain hardening during constrained deformation of metal foams - Effect of shear displacement

Mukherjee, M and Kolluri, M and Garcia-Moreno, F and Banhart, J and Ramamurty, U (2009) Strain hardening during constrained deformation of metal foams - Effect of shear displacement. In: Scripta Materialia, 61 (7). pp. 752-755.

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The crush bands that form during plastic deformation of closed-cell metal foams are often inclined at 11-20 degrees to the loading axis, allowing for shear displacement of one part of the foam with respect to the other. Such displacement is prevented by the presence of a lateral constraint. This was analysed in this study, which shows that resistance against shear by the constraint leads to the strain-hardening effect in the foam that has been reported in a recent experimental study. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

Item Type: Journal Article
Publication: Scripta Materialia
Publisher: Elsevier Ltd.
Additional Information: Copyright of this article belongs to Elsevier Ltd.
Keywords: Metal foam; Constrained deformation; Shear; Band; Strain hardening
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 21 Dec 2009 12:20
Last Modified: 19 Sep 2010 05:44
URI: http://eprints.iisc.ac.in/id/eprint/22936

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