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Combustion boron nitride ceramics

Combustion Synthesis of Boron Nitride Ceramics Fundamentals and Applications... [Pg.49]

BN-Si02 ceramics appear to be remarkable among the structural materials based on boron nitride. It was obtained by combustion of B-Si02-N2 and was studied using infrared spectroscopy and X-ray analysis [86]. The obtained data prove that the composite mainly consists of hexagonal boron nitride and... [Pg.41]

It is clear from the above that h-BN materials possess a variety of unique properties and demands on such ceramics consistently increase. However, the production methods are energy and time consuming and thus expensive. Indeed, being extremely refractory material, similar to graphite, with nitride dissociation, it is difficult to sinter this type of compound. Can one suggest a novel approach to produce BN ceramics The author truly believes that direct synthesis of boron nitride net shape articles by combustion-based approach described below is an effective alternative to the conventional technologies. [Pg.53]

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