Preparation of boron nitride fibers with the use of hydrated cellulose. II. Nitriding hydrated cellulose fibers impregnated with ammonium borate

The effect of preliminary heat treatment (PHT) of hydrated cellulose fibers impregnated with an ammonium tetraborate solution on the composition and structure of nitrided products was studied. The PHT conditions which upon subsequent nitriding led to the formation of C—BN fibers with a coating of BN...

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Bibliographic Details
Published in:Powder metallurgy and metal ceramics 1999-05, Vol.38 (5-6), p.240-245
Main Authors: Bartnitskaya, T S, Ostrovskaya, N F, Vereshchaka, V M, Kurdyumov, A V
Format: Article
Language:English
Subjects:
Borates
Boron nitride
Cellulose fibers
Cermets
Composition effects
Fibers
Heat treatment
Nitriding
Powder metallurgy
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Summary:The effect of preliminary heat treatment (PHT) of hydrated cellulose fibers impregnated with an ammonium tetraborate solution on the composition and structure of nitrided products was studied. The PHT conditions which upon subsequent nitriding led to the formation of C—BN fibers with a coating of BN, and also hollow and solid BN fibers, were determined
ISSN:1068-1302
1573-9066
DOI:10.1007/BF02675769