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Pyrolysis of Organometallic Precursors As A Route to Novel Ceramic Materials

Published online by Cambridge University Press:  25 February 2011

Leonard V. Interrante
Affiliation:
Department of Chemistry, Rensselaer Polytechnic Institute, Troy, NY 12180-3590
Wayde R. Schmidt
Affiliation:
Department of Chemistry, Rensselaer Polytechnic Institute, Troy, NY 12180-3590
Paul S. Marchetti
Affiliation:
Department of Chemistry, Colorado State University, Fort Collins, CO 80523
Gary E. Maciel
Affiliation:
Department of Chemistry, Colorado State University, Fort Collins, CO 80523
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Abstract

Homogeneously mixed nanocrystalline composites incorporating SiC, Si3N4, AIN, BN and TiN, and SiC/AIN solid solutions were prepared from mixtures of known precursors to the separate components and specially prepared singlesource precursors. These novel materials are of potential interest as tough, abrasion-resistant coatings, continuous fibers and matrices for high temperature composites and, possibly, superplastic ceramics. Solid state NMR spectroscopy along with other chemical and materials characterization methods have been employed in studies of the precursor-to-ceramic conversion process and the characterization of the final ceramic products. The results of these studies are described and their implications with respect to the relationship between precursor structure, pyrolysis chemistry and the final ceramic composition and microstructure are discussed.

Type
Research Article
Copyright
Copyright © Materials Research Society 1992

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