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Experimental Investigation of Mechanical Behaviour of Closed-Cell Aluminium Foams Under Drop Weight Impact

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Characterization of Minerals, Metals, and Materials 2017

Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

Abstract

The dynamic pore collapse mechanisms and energy absorption capacity of closed-cell aluminium foams subjected to low velocity impacts have been investigated. Impact experiments were carried out using an instrumented drop-tower with two impactor geometries: a 50 mm square flat steel impactor to investigate pore collapse mechanisms and a 20 mm diameter hemispherical steel impactor to study indentation resistance. X-ray computed tomography was utilized to generate views of the deformation field within the impacted specimen. The results show that the strain rate and incident impact energy influence the energy absorption capacities of closed-cell aluminium foams. Furthermore, damage initiation, propagation and cell collapse mechanisms under drop weight impact have been elucidated.

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Acknowledgements

The authors gratefully acknowledge UNSW Canberra’s Defence Related Research program that part-funded this work. M.A. Islam also likes to thank Jill Middleton for her technical support in X-ray image analysis in the Department of Applied Mathematics, The Australian National University, Canberra, Australia.

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Authors and Affiliations

  1. SEIT, UNSW Canberra at the Australian Defence Force Academy, Canberra, ACT, 2600, Australia

    M. A. Islam, M. A. Kader, A. D. Brown, P. J. Hazell & J. P. Escobedo

  2. Department of Applied Mathematics, Australian National University, Canberra, ACT, 0200, Australia

    M. Saadatfar

Authors
  1. M. A. Islam
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  2. M. A. Kader
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  3. A. D. Brown
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  4. P. J. Hazell
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  5. J. P. Escobedo
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  6. M. Saadatfar
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Corresponding author

Correspondence to M. A. Islam .

Editor information

Editors and Affiliations

  1. Al Isra University , Amman, Jordan

    Shadia Ikhmayies

  2. Michigan Technological University, Houghton, Michigan, USA

    Bowen Li

  3. Los Alamos National Laboratory, Los Alamos, New Mexico, USA

    John S. Carpenter

  4. Canmet Materials , Hamilton, Ontario, Canada

    JIan Li

  5. Michigan Technological University, Houghton, Michigan, USA

    Jiann-Yang Hwang

  6. Military Institute of Engineering, IME, Rio De Janeiro, Brazil

    Sergio Neves Monteiro

  7. Poltecnico di Torino , Turin, Italy

    Donato Firrao

  8. ArcelorMittal Global R&D, East Chicago, Indiana, USA

    Mingming Zhang

  9. Central South University , Changsha, China

    Zhiwei Peng

  10. University of New South Wales , Canberra, Australia

    Juan P. Escobedo-Diaz

  11. Chongqing University , Chongqing, China

    Chenguang Bai

  12. Middle East Technical University , Ankara, Turkey

    Yunus Eren Kalay

  13. Naval Research Laboratory , Washington, District of Columbia, USA

    Ramasis Goswami

  14. Korea Railroad Research Institute, Uiwang, Korea (Republic of)

    Jeongguk Kim

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© 2017 The Minerals, Metals & Materials Society

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Islam, M.A., Kader, M.A., Brown, A.D., Hazell, P.J., Escobedo, J.P., Saadatfar, M. (2017). Experimental Investigation of Mechanical Behaviour of Closed-Cell Aluminium Foams Under 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_25

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