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Compressive deformation behaviour of a closed-cell aluminum

Yamada, Yasuo, Banno, Takumi, Xie, Z. and Wen, Cui`e 2006, Compressive deformation behaviour of a closed-cell aluminum, Materials science forum, vol. 510, no. 511, pp. 150-153.

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Title Compressive deformation behaviour of a closed-cell aluminum
Author(s) Yamada, Yasuo
Banno, Takumi
Xie, Z.
Wen, Cui`e
Journal name Materials science forum
Volume number 510
Issue number 511
Start page 150
End page 153
Publisher Trans Tech Publications Ltd
Place of publication Aedermannsdorf, Switzerland
Publication date 2006-03-15
ISSN 0255-5476
Keyword(s) aluminium foam
deformation behaviour
energy absorption
X-ray microtomography
Summary 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 Xray 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.
Language eng
Field of Research 091207 Metals and Alloy Materials
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2006, Trans Tech Publications, Switzerland
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Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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