PREPARATION OF SUBSTANTIALLY CRYSTALLINE SILICON CARBIDE FIBERS FROM POLYCARBOSILANE

PREPARATION OF SUBSTANTIALLY CRYSTALLINE SILICON CARBIDE FIBERS FROM POLYCARBOSILANE This invention relates to the preparation of thermally stable, substantially polycrystalline silicon carbide ceramic fibers derived from a polycarbosilane resin. The unexpected thermal stability of these fibers is a...

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Hauptverfasser:	LIPOWITZ, JONATHAN, LU, PAUL PU-YUAN, DELEEUW, DAVID C
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS ARTIFICIAL STONE CEMENTS CERAMICS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES REFRACTORIES SLAG SPINNING TEXTILES TREATMENT OF NATURAL STONE
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Zusammenfassung:	PREPARATION OF SUBSTANTIALLY CRYSTALLINE SILICON CARBIDE FIBERS FROM POLYCARBOSILANE This invention relates to the preparation of thermally stable, substantially polycrystalline silicon carbide ceramic fibers derived from a polycarbosilane resin. The unexpected thermal stability of these fibers is achieved by the incorporation of boron prior to ceramification.