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

Mukherjee, M. ; Kolluri, M. ; Garcia-Moreno, F. ; Banhart, J. ; Ramamurty, U. (2009) Strain hardening during constrained deformation of metal foams - effect of shear displacement Scripta Materialia, 61 (7). pp. 752-755. ISSN 1359-6462

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Related URL: http://dx.doi.org/10.1016/j.scriptamat.2009.06.023

Abstract

The crush bands that form during plastic deformation of closed-cell metal foams are often inclined at 11-20° 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.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Metal Foam; Constrained Deformation; Shear; Band; Strain Hardening
ID Code:62529
Deposited On:22 Sep 2011 03:13
Last Modified:22 Sep 2011 03:13

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