Energy Absorption of Hybrid Structures in Bending

Paper #:
  • 2012-01-0783

Published:
  • 2012-04-16
DOI:
  • 10.4271/2012-01-0783
Citation:
Rathnaweera, G., Durandet, Y., Ruan, D., and Hajj, M., "Energy Absorption of Hybrid Structures in Bending," SAE Technical Paper 2012-01-0783, 2012, doi:10.4271/2012-01-0783.
Pages:
8
Abstract:
Hybrid structures were made using an epoxy based polymer foam, Terocore®, and aluminium tubes of different alloy grades and wall thicknesses. Three-point bending, under quasi-static and dynamic loadings, was carried out on empty and hybrid tubes. It was found that the peak force and total energy absorption of the tubes increased by 20% to 40% with foam-filling, but there was no significant difference in specific energy absorption between the empty tubes and the foam-filled tubes. In addition, finite element analysis was performed using the commercial software package LS-DYNA®. Finite element simulations showed good agreement with experimental data. The finite element model will be used in a future parametric study and energy dissipation analysis.
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