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Polymeric precursors to refractory metal borides

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Abstract

Polymeric precursors to zirconium and hafnium diboride are described. Initial studies concentrated on carbothermal/borothermal reduction of metal alkoxides; however, improved results were obtained from oxide free-precursors prepared from the metal borohydride and borazine. The metal borides are obtained in good chemical and ceramic yield upon pyrolysis, and the polymeric precursors obtained through the reaction of borazine with the metal borohydride exhibit viscosities amenable to use as preceramic binders in powder processing.

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Authors and Affiliations

  1. Thor Technologies, Inc., Albuquerque, New Mexico, 87107-1731, USA

    S. T. Schwab, C. A. Stewart, K. W. Dudeck & S. M. Kozmina

  2. Los Alamos National Laboratory, Los Alamos, New Mexico, 87545, USA

    J. D. Katz & B. Bartram

  3. Naval Surface Warfare Center—Carderock Division, West Bethesda, Maryland, 20817, USA

    E. J. Wuchina

  4. The University of New Mexico, Albuquerque, New Mexico, 87131, USA

    W. J. Kroenke & G. Courtin

Authors
  1. S. T. Schwab
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  2. C. A. Stewart
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  3. K. W. Dudeck
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  4. S. M. Kozmina
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  5. J. D. Katz
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  6. B. Bartram
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  7. E. J. Wuchina
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  8. W. J. Kroenke
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  9. G. Courtin
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Schwab, S.T., Stewart, C.A., Dudeck, K.W. et al. Polymeric precursors to refractory metal borides. Journal of Materials Science 39, 6051–6055 (2004). https://doi.org/10.1023/B:JMSC.0000041701.01103.41

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  • DOI: https://doi.org/10.1023/B:JMSC.0000041701.01103.41

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