METHOD FOR PREPARING HIGH-PERFORMANCE SILICON CARBIDE COATING ON SURFACE OF CARBON/CARBON COMPOSITE THERMAL INSULATION MATERIAL

A method for preparing a high-performance silicon carbide coating on the surface of a carbon/carbon composite thermal insulation material, comprising the following steps: preparation of a carbon/carbon composite thermal insulation material blank: according to the size of a required product, customiz...

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Bibliographische Detailangaben
Hauptverfasser:	CAI, Changhai, SONG, Liangfen, HONG, Liang, XIAO, Xiaotian, XIONG, Yongxiang
Format:	Patent
Sprache:	chi ; eng ; fre
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	A method for preparing a high-performance silicon carbide coating on the surface of a carbon/carbon composite thermal insulation material, comprising the following steps: preparation of a carbon/carbon composite thermal insulation material blank: according to the size of a required product, customizing a hard carbon felt having a certain initial density, and machining the hard carbon felt to the size accuracy according to the designed product structure and size, so as to obtain a carbon/carbon composite thermal insulation material blank; pretreatment of the carbon/carbon composite thermal insulation material blank: polishing the surface of the carbon/carbon composite thermal insulation material blank, and performing ultrasonic cleaning and drying for use; coating of a coating slurry and formation of a ceramic coating; deposition of carbon; and high-temperature sintering. L'invention concerne un procédé de préparation d'un revêtement en carbure de silicium haute performance à la surface d'un matériau d'isolati