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Copper-boron nitride interaction in hot-pressed ceramics

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Abstract

Ceramics were prepared by hot pressing of chemical mixtures of turbostratic boron nitride with copper. A positive effect of copper on boron nitride crystallization and densification has been found. Preferred orientation of boron nitride grains has been revealed in such ceramics, being opposite to general experience: the c-axis of boron nitride crystallites was arranged preferably within a plane perpendicular to the direction of uniaxial pressure. Such an arrangement is interpreted as a result of the uniaxial compression of the boron nitride grains extensively growing within the c crystallographic axis.

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Author notes

  1. Milan Hubáček

    Present address: Advanced Technology Research Labs, Nippon Steel Corporation, 1618 Ida, Nakahara-ku, Kawasaki, 211, Japan

Authors and Affiliations

  1. National Institute for Research in Inorganic Materials, Namiki 1–1, Tsukuba 305, Japan

    Milan Hubáček & Tadao Sato

  2. Advanced Technology Research Labs, Nippon Steel Corporation, 1618 Ida, Nakahara-ku, Kawasaki, 211, Japan

    Masanori Ueki

Authors
  1. Milan Hubáček
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  2. Tadao Sato
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  3. Masanori Ueki
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Hubáček, M., Sato, T. & Ueki, M. Copper-boron nitride interaction in hot-pressed ceramics. Journal of Materials Research 12, 113–118 (1997). https://doi.org/10.1557/JMR.1997.0018

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  • DOI: https://doi.org/10.1557/JMR.1997.0018

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