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Diamond formation in aluminium compressed with nickel-graphite under shock loading

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Abstract

In-situ characterization of powder mixtures of aluminium and nickel-graphite subjected to high-pressure shock-wave compression was performed using optical and transmission electron microscopy. Formation of a polycrystalline diamond phase was observed for the first time as an apparent continuation of graphite fibres. A shear-induced transformation process is suspected. Among various resulting Ni-Al alloy phases NiAl and Ni3Al were predominant and had the characteristics of rapidly solidified nickel aluminide.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, North Carolina State University, 27695-7916, Raleigh, NC, USA

    I. Simonsen & Y. Horie

  2. Department of Civil Engineering, North Carolina State University, 27695-7916, Raleigh, NC, USA

    Y. Horie

  3. Sumitomo Coal Mining Company, Akabira, Japan

    T. Akashi

  4. Centre for Ceramic Research, Tokyo Institute of Technology, Yokohama, Japan

    A. B. Sawaoka

Authors
  1. I. Simonsen
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  2. Y. Horie
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  3. T. Akashi
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  4. A. B. Sawaoka
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Simonsen, I., Horie, Y., Akashi, T. et al. Diamond formation in aluminium compressed with nickel-graphite under shock loading. J Mater Sci 27, 1735–1740 (1992). https://doi.org/10.1007/BF01107197

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  • DOI: https://doi.org/10.1007/BF01107197

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