Compressive properties and energy absorption of hollow sphere aluminium

Yamada, Y., Wen, Cui`e, Asahina, T., Kato, K., Sonoda, T. and Mabuchi, M. 2005, Compressive properties and energy absorption of hollow sphere aluminium, Materials science forum, vol. 475, no. 479, pp. 333-336.

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Title Compressive properties and energy absorption of hollow sphere aluminium
Author(s) Yamada, Y.
Wen, Cui`e
Asahina, T.
Kato, K.
Sonoda, T.
Mabuchi, M.
Journal name Materials science forum
Volume number 475
Issue number 479
Start page 333
End page 336
Publisher Trans Tech Publications Ltd.
Place of publication Aedermannsdorf, Switzerland
Publication date 2005
ISSN 0255-5476
Keyword(s) hollow sphere aluminum
mechanical properties
energy absorption
Summary Manufactured cellular aluminums have been developed for a wide range of automotive applications where weight savings, improved safety, crashworthiness and comfort are required. The plateau deformation behavior of cellular aluminums under compressive loading makes this new class of lightweight materials suitable for energy absorption and comes close to ideal impact absorbers. In the present study, aluminum hollow hemispheres were firstly processed by pressing. Hollow sphere aluminum samples with a body-centered cubic (BCC) packing were then fabricated by bonding together single hollow spheres, which were prepared by adhering together hollow hemispheres. Hollow sphere aluminum samples with various kinds of sphere wall thicknesses of 0.1 mm, 0.3 mm and 0.5 mm but the same outside diameter of 4 mm were investigated by compressive tests. The effects of the sphere wall thickness on the mechanical properties and energy absorption characteristics were investigated.
Language eng
Field of Research 091207 Metals and Alloy Materials
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2005, Trans Tech Publications, Switzerland
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Document type: Journal Article
Collection: School of Engineering and Technology
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