Aluminium Foam-Filled Honeycomb Crash Absorbers

Goncalo Valente; H. Ghasemnejad; Sompong Srimanosaowapa

doi:10.4028/p-i373o6

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HomeMaterials Science ForumMaterials Science Forum Vol. 1083Aluminium Foam-Filled Honeycomb Crash Absorbers

Aluminium Foam-Filled Honeycomb Crash Absorbers

Abstract:

Honeycomb structures are frequently used as energy absorption devices in the automotive and aerospace industry. Many studies have been conducted to optimise these structures and improve crashworthiness behaviour. This paper attempts to improve the crashworthiness behaviour of a honeycomb crash box by filling the cells with open-cell aluminium foams. Experimental tests were conducted to develop the honeycomb and aluminium foam material model and, also, to validate the finite element model by experimental data. Foam-filling the crash box allows the control of the densification zone for different impact energies using open-cell aluminium foam, which shows the main novelty of this research. In the end, the optimised structure is presented concerning the optimum number of foam-filled cells and, also, to the aluminium foam’s density that best fits this application.

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Periodical:

Materials Science Forum (Volume 1083)

Pages:

117-122

DOI:

https://doi.org/10.4028/p-i373o6

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Online since:

April 2023

Authors:

Goncalo Valente, H. Ghasemnejad*, Sompong Srimanosaowapa

Keywords:

Aluminium Foam, Aluminium Honeycomb, Impact

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* - Corresponding Author

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