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Type: Journal article
Title: Experimental investigation of the dynamic behaviour of aluminium foams
Author: Xu, S.
Ruan, D.
Beynon, J.
Lu, G.
Citation: Materials Science Forum, 2010; 654-656:950-953
Publisher: Trans Tech Publications Ltd
Issue Date: 2010
ISSN: 0255-5476
Editor: Nie, J.F.
Morton, A.
Statement of
Shan Qing Xu, Dong Ruan, John H. Beynon, Guo Xing Lu
Abstract: The compressive behavior of two closed cell aluminum foams (Alporas and Cymat) were investigated under various strain rates from 10-3 to 102 s-1 using compressive tests conducted on MTS and Instron test machines. High speed camera videos show that localized deformation occurs in Alporas foam specimens uniformly, but not in Cymat foams. The stress-strain curves for Alporas foams are smooth and regular, while they oscillate dramatically for Cymat foams. Alporas foams exhibit strain rate sensitivity, i.e. with an increase in strain rate, the normalized plateau stress and energy absorption capacity increase. The plateau stress for Cymat foams was more sensitive than Alporas to strain rate, but the energy absorption less so, at least at a nominal relative density of 10%.
Keywords: Aluminium Foam
Compressive Test
Energy Absorption
Strain Rate Sensitivity (SRS)
Rights: © (2010) Trans Tech Publications, Switzerland
DOI: 10.4028/
Appears in Collections:Aurora harvest
Mechanical Engineering publications

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