Powder Metallurgy and Metal Ceramics

, Volume 38, Issue 3–4, pp 152–156 | Cite as

Preparation of boron nitride fibers with the use of hydrated cellulose. I. Decomposition of hydrated cellulose impregnated with boron-containing compounds

  • T. S. Bartnitskaya
  • N. F. Ostrovskaya
  • T. M. Ul'yanova
  • B. V. Fenochka
Theory, Production Technology, and Properties of Powders and Fibers


The decomposition of hydrated cellulose impregnated with boric acid or ammonium tetraborate was studied using differential thermal, mass spectroscopic, X-ray diffraction, and chemical analysis, as well as electron microscopy. The temperature range of decomposition, compositions of the solid and gaseous decomposition products, and structure of the carbon fibers produced were determined. It was established that impregnation with boron-containing compounds shifts the decomposition of hydrated cellulose to higher temperatures, but has no effect on the dehydration process.


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Copyright information

© Kluwer Academic/Plenum Publishers 1999

Authors and Affiliations

  • T. S. Bartnitskaya
  • N. F. Ostrovskaya
  • T. M. Ul'yanova
  • B. V. Fenochka

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