Abstract
The present study investigates the dynamic deformation mechanisms of closed-cell aluminium foams during low velocity drop weight impact with experimental analyses and finite element (FE) simulation. The evolution of foam collapse was explored with FE simulation using ABAQUS/Explicit. X-ray computed tomography (XRT) based geometry was reconstructed to understand the actual microstructural changes during impact. The experimental stress-strain response was compared with FE simulation with reasonably good agreement observed between FE prediction and experimental data. A vertical cross-sectional XRT slice was analysed at different strains from FE simulation to understand the pore collapse mechanisms.
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References
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Acknowledgements
The authors gratefully acknowledge the laboratory facility provided by Department of Applied Mathematics, Australian National University. We also gratefully acknowledge the UNSW Canberra Defence Related Research Program that part-funded this work.
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© 2017 The Minerals, Metals & Materials Society
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Kader, M.A., Islam, M.A., Brown, A.D., Hazell, P.J., Saadatfar, M., Escobedo, J.P. (2017). Deformation Mechanisms of Closed Cell-Aluminium Foams During Drop Weight Impact. In: Ikhmayies, S., et al. Characterization of Minerals, Metals, and Materials 2017. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-51382-9_26
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DOI: https://doi.org/10.1007/978-3-319-51382-9_26
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