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Biomorphous Sic Ceramics Through Gas Phase Siloconizing
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Book Synopsis Biomorphous SiC-Ceramics Through Gas-Phase Siloconizing by : Evelina Vogli
Download or read book Biomorphous SiC-Ceramics Through Gas-Phase Siloconizing written by Evelina Vogli and published by . This book was released on 2003 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wood exhibits a hierarchically built anatomy with a directed and at most open pore structure on the micro- and macrometer level. This open porous system makes wood an interesting raw material for conversion into ceramic materials by different infiltration reaction techniques. The present study was concentrated on the conversion of different kinds of wood into biocarbon templates following by conversion of biocarbon templates via different vapor phase infiltration methods (SiO-vapor, Si-vapor or H2/CH3SiCl3-gas mixture) into highly porous single phase, biomorphous SiC-ceramics. The mechanisms and kinetics of the silicon carbide formation during different vapor phase infiltration of porous biocarbon templates as well as the mechanical properties (bending and compression strength) were analyzed with respect of orientation, fractional density and strut microstructure in order to design the microstructure of the biomorphous silicon carbide ceramics.
Book Synopsis Silicon Carbide Ceramics by : S. Somiya
Download or read book Silicon Carbide Ceramics written by S. Somiya and published by Springer Science & Business Media. This book was released on 1991-08-31 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: Silicon carbides have major industrial uses as high temperature structural ceramic materials. These two volumes are translated from the Japanese and provide a comprehensive account of the seminal work going on in Japan.
Book Synopsis Silicon Carbide Ceramics—1 by : S. Somiya
Download or read book Silicon Carbide Ceramics—1 written by S. Somiya and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discovered by Edward G. Acheson about 1890, silicon carbide is one of the oldest materials and also a new material. It occurs naturally in meteorites, but in very small amounts and is not in a useable state as an industrial material. For industrial require ments, large amounts of silicon carbide must be synthesized by solid state reactions at high temperatures. Silicon carbide has been used for grinding and as an abrasive material since its discovery. During World War II, silicon carbide was used as a heating element; however, it was difficult to obtain high density sintered silicon carbide bodies. In 1974, S. Prochazka reported that the addition of small amounts of boron compounds and carbide were effective in the sintering process to obtain high density. It was then possible to produce high density sintered bodies by pressureless sintering methods in ordinary atmosphere. Since this development, silicon carbide has received great attention as one of the high temperature structural ceramic materials. Since the 1970s, many research papers have appeared which report studies of silicon carbide and silicon nitride for structural ceramics.
