Compressive deformation behaviour of a closed-cell aluminum

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Yamada, Y. | 0912 Materials Engineering

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Compressive deformation behaviour of a closed-cell aluminum

Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.3/95471

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Title: Compressive deformation behaviour of a closed-cell aluminum
Author(s): Yamada, Y.; Banno, T.; Xie, Z. K.; Wen, C. E.
Abstract: The mechanical properties of a closed-cell aluminium foam were investigated by compressive tests, and the deformation behaviours of the aluminium foams were studied using X-ray microtomography. The results indicate that the deformation of the aluminium foams under compressive loading was localized in narrow continuous deformation bands having widths of order of a cell diameter. The cells in the deformation bands collapsed by a mixed deformation mechanism, which includes mainly bending and minor buckling and yielding. Different fractions of the three deformation modes led to variations in the peak stress and energy absorption for different foam samples with the same density. It was also found that the cell morphology affects the deformation mechanism significantly, whilst the cell size shows little influence.
Publication type: Journal article
Source: Materials Science Forum: Eco-Materials Processing & Design VII: proceedings of the 7th International Symposium on Eco-Materials Processing and Design (ISEPD-VII), Chengdu, China, 08-11 January 2006, Vol. 510-511, pp. 150-153
Publication year: 2006
FOR Code(s): 0912 Materials Engineering; 1007 Nanotechnology
Keyword(s): Aluminium foam; Deformation behaviour; Energy absorption; X-ray microtomography
Publisher: Trans Tech Publications
ISSN: 0255-5476 (series ISSN)
ISBN: 9780878499953, 0878499954
Publisher URL: http://dx.doi.org/10.4028/www.scientific.net/MSF.510-511.150
Peer reviewed