Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.14279/12925
Title: Compressive properties of granular foams of adhesively bonded steel hollow sphere blocks
Authors: Yiatros, Stylianos 
Marangos, Orestes 
Votsis, Renos 
Brennan, Feargal P. 
Major Field of Science: Engineering and Technology
Field Category: Civil Engineering
Keywords: Crush band propagation;Metal foams;Steel hollow sphere assemblies;Compression testing
Issue Date: Dec-2018
Source: Mechanics Research Communications, 2018, vol. 94, pp.13-20
Volume: 94
Start page: 13
End page: 20
Journal: Mechanics Research Communications 
Abstract: Steel hollow spheres adhesively bonded together as a granular composite metal foam, is a special type of porous metal that aims to combine low weight, with ductility and energy absorption. Hollow spheres comprising steel foam shells were coated with a thermally activated epoxy in order to form different specimen geometries upon moulding and curing. The collapse propagation and energy absorption of steel hollow sphere blocks, comprising spheres of different sizes, was investigated experimentally, quantifying quasi-elastic and nonlinear properties of the steel hollow sphere assemblies in compression and comparing them with analytical and semi-empirical rules based on porous metal density and sphere packing. The results identify the initiation and nature of damage and highlight the merits of the material in absorbing high compressive deformations without significant loss of integrity.
ISSN: 00936413
DOI: 10.1016/j.mechrescom.2018.08.005
Rights: © Elsevier
Type: Article
Affiliation : Cyprus University of Technology 
Cranfield University 
University of Strathclyde 
Publication Type: Peer Reviewed
Appears in Collections:Άρθρα/Articles

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