Dynamic and quasi-static bending behaviour of thin-walled aluminium tubes filled with aluminium foam
By I. Duarte, M. Vesenjak, L. Krstulović-Opara. 2014
151 citations recorded by the source corpus.
Abstract This paper aims to evaluate the potential use of closed-cell aluminium alloy integral-skin foams as stiffening elements for aluminium alloy thin-walled structures that are main basic components in the concept and design of automotive body parts. Foam specimens were prepared using the powder metallurgical route, inserted into empty thin-walled tubes and subjected to quasi-static and dynamic bending loading conditions. The effect of introducing foam into tubes was evaluated using the infrared thermography during the three-point bending tests. The foam-filled tubes, empty tubes and foams are compared in terms of the maximum load carrying capacity, crash energy absorption, specific energy absorption and deformation modes. Results showed that the foam filling leads due to interaction between the tube wall and foam filler, causing an increased bending response of the filled tubes which exceeds the sum of the bending response for the individual components. Their deformation mode is a combination between the modes of the individual components.
Subfields: Aerospace Engineering, Mechanical Engineering
View Paper: https://www.semanticscholar.org/paper/dc6073f5e8d81cbc874ece07f606d3e53c14be79
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In Mechanical Engineering
Citations in the corpus
- On the crashworthiness performance of thin-walled energy absorbers: Recent advances and future developments (2017, background): “Also, the interaction effects represented by friction between the foam filler and tube wall make the crushing loads of foam-filled tube greater than the sum of the individual crushing loads of the foam and the TW tube [213].”