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Computational Analysis of the Explosive Compaction Fabrication Process of Cylindrical Uni-directional Porous Copper

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Abstract

The explosive compaction fabrication process of cylindrical uni-directional porous copper, consisting of an outer pipe completely filled with smaller inner pipes, was investigated by experimental and computational simulations to analyze and optimize the fabrication process conditions. The computational simulations were carried out using a two-dimensional model, mimicking the transverse cross-section of fabricated specimens. The computational simulation results revealed that the velocity of the outer pipe, which cannot be experimentally measured, was insufficient for explosive welding and that the walls of the inner pipes had the potential to fail depending on their initial positioning and thickness.

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Reprinted from Hokamoto et al. [4], with permission from Elsevier

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Reprinted from Vesenjak et al. [5], with permission from Elsevier

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Authors and Affiliations

  1. National Institute of Technology, Kumamoto College, Hirayama-Shin-Machi, Yatsushiro, 866-8501, Japan

    Masatoshi Nishi

  2. Institute of Pulsed Power Science, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto, 860-8555, Japan

    Masaki Oshita & Kazuyuki Hokamoto

  3. Faculty of Mechanical Engineering, University of Maribor, Maribor, Slovenia

    Miran Ulbin, Matej Vesenjak & Zoran Ren

Authors
  1. Masatoshi Nishi
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  2. Masaki Oshita
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  3. Miran Ulbin
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  4. Matej Vesenjak
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  5. Zoran Ren
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  6. Kazuyuki Hokamoto
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Correspondence to Masatoshi Nishi.

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Nishi, M., Oshita, M., Ulbin, M. et al. Computational Analysis of the Explosive Compaction Fabrication Process of Cylindrical Uni-directional Porous Copper. Met. Mater. Int. 24, 1143–1148 (2018). https://doi.org/10.1007/s12540-018-0059-x

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  • DOI: https://doi.org/10.1007/s12540-018-0059-x

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