MATERIAL COMPUESTO CON MATRIZ DE CARBURO DE SILICIO UTILIZABLE COMO CAPA IGNIFUGA

LA INVENCION SE REFIERE A UN COMPOSITO RESISTENTE A TENSIONES MECANICAS Y TERMICAS EN MEDIO OXIDANTE Y/O REDUCTOR QUE COMPRENDE UNA MATRIZ DE CARBURO DE SILICIO REFORZADA CON FIBRAS REFRACTORIAS. EL COMPOSITO SEGUN LA INVENCION SE CARACTERIZA EN QUE DICHA MATRIZ ESTA FORMADA POR TRATAMIENTO TERMICO...

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Hauptverfasser: DROUET-PETOIN,CLAUDETTE, LENGRONNE,BERNARD, FERRIER-PEGOT,CHRISTIANE, MENESSIER,ERIC, BERGERAT,JEAN-MICHEL
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creator DROUET-PETOIN,CLAUDETTE
LENGRONNE,BERNARD
FERRIER-PEGOT,CHRISTIANE
MENESSIER,ERIC
BERGERAT,JEAN-MICHEL
description LA INVENCION SE REFIERE A UN COMPOSITO RESISTENTE A TENSIONES MECANICAS Y TERMICAS EN MEDIO OXIDANTE Y/O REDUCTOR QUE COMPRENDE UNA MATRIZ DE CARBURO DE SILICIO REFORZADA CON FIBRAS REFRACTORIAS. EL COMPOSITO SEGUN LA INVENCION SE CARACTERIZA EN QUE DICHA MATRIZ ESTA FORMADA POR TRATAMIENTO TERMICO DE UNA RESINA DE IMPREGNACION QUE CONTIENEN PARTICULAS DE CARBURO DE SILICIO. PARA OBTENER TAL COMPOSITO SE BOBINAN FIBRAS REFRACTORIAS IMPREGNADAS DE UNA RESINA QUE CONTIENE PARTICULAS DE CARBURO DE SILICIO PARA FORMAR UN PRECURSOR QUE SE SOMETE A UN TRATAMIENTO TERMICO PARA PIROLIZAR LA RESINA Y ASEGURAR LA COHESION POR FRITAJE DE LAS PARTICULAS DE CARBURO DE SILICIO. ESTE TIPO DE COMPOSITO SE PUEDE UTILIZAR EN PARTICULAR COMO CAPA APAGALLAMAS DE CAMARA DE MOTOR ESTATORREACTOR. A composite which resists mechanical and thermal stresses in an oxidising and/or reducing medium, comprising a silicon carbide matrix reinforced with refractory fibres. The composite according to the invention is characterised in that the said matrix is formed by heat treatment of an impregnating resin containing silicon carbide particles. To obtain such a composite, refractory fibres impregnated with a resin containing silicon carbide particles are reeled to form a precursor which is subjected to a heat treatment to pyrolyse the resin and to provide cohesion by sintering the silicon carbide particles. This type of composite can be employed especially as a flame-shield layer for a ramjet engine chamber.
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To obtain such a composite, refractory fibres impregnated with a resin containing silicon carbide particles are reeled to form a precursor which is subjected to a heat treatment to pyrolyse the resin and to provide cohesion by sintering the silicon carbide particles. 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EL COMPOSITO SEGUN LA INVENCION SE CARACTERIZA EN QUE DICHA MATRIZ ESTA FORMADA POR TRATAMIENTO TERMICO DE UNA RESINA DE IMPREGNACION QUE CONTIENEN PARTICULAS DE CARBURO DE SILICIO. PARA OBTENER TAL COMPOSITO SE BOBINAN FIBRAS REFRACTORIAS IMPREGNADAS DE UNA RESINA QUE CONTIENE PARTICULAS DE CARBURO DE SILICIO PARA FORMAR UN PRECURSOR QUE SE SOMETE A UN TRATAMIENTO TERMICO PARA PIROLIZAR LA RESINA Y ASEGURAR LA COHESION POR FRITAJE DE LAS PARTICULAS DE CARBURO DE SILICIO. ESTE TIPO DE COMPOSITO SE PUEDE UTILIZAR EN PARTICULAR COMO CAPA APAGALLAMAS DE CAMARA DE MOTOR ESTATORREACTOR. A composite which resists mechanical and thermal stresses in an oxidising and/or reducing medium, comprising a silicon carbide matrix reinforced with refractory fibres. The composite according to the invention is characterised in that the said matrix is formed by heat treatment of an impregnating resin containing silicon carbide particles. 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EL COMPOSITO SEGUN LA INVENCION SE CARACTERIZA EN QUE DICHA MATRIZ ESTA FORMADA POR TRATAMIENTO TERMICO DE UNA RESINA DE IMPREGNACION QUE CONTIENEN PARTICULAS DE CARBURO DE SILICIO. PARA OBTENER TAL COMPOSITO SE BOBINAN FIBRAS REFRACTORIAS IMPREGNADAS DE UNA RESINA QUE CONTIENE PARTICULAS DE CARBURO DE SILICIO PARA FORMAR UN PRECURSOR QUE SE SOMETE A UN TRATAMIENTO TERMICO PARA PIROLIZAR LA RESINA Y ASEGURAR LA COHESION POR FRITAJE DE LAS PARTICULAS DE CARBURO DE SILICIO. ESTE TIPO DE COMPOSITO SE PUEDE UTILIZAR EN PARTICULAR COMO CAPA APAGALLAMAS DE CAMARA DE MOTOR ESTATORREACTOR. A composite which resists mechanical and thermal stresses in an oxidising and/or reducing medium, comprising a silicon carbide matrix reinforced with refractory fibres. The composite according to the invention is characterised in that the said matrix is formed by heat treatment of an impregnating resin containing silicon carbide particles. To obtain such a composite, refractory fibres impregnated with a resin containing silicon carbide particles are reeled to form a precursor which is subjected to a heat treatment to pyrolyse the resin and to provide cohesion by sintering the silicon carbide particles. This type of composite can be employed especially as a flame-shield layer for a ramjet engine chamber.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record>
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subjects ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
title MATERIAL COMPUESTO CON MATRIZ DE CARBURO DE SILICIO UTILIZABLE COMO CAPA IGNIFUGA
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