CARBON MATERIAL HAVING THERMAL SPRAYED COATING LAYER

The purpose of the present invention is to provide a carbon material which exhibits excellent oxidation wear resistance and in which there is excellent adhesion between a substrate and a coating layer. The carbon material is characterised by comprising: a carbonaceous substrate; a silicon carbide-co...

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Bibliographische Detailangaben
Hauptverfasser:	OHIDE, YUHEI, TADA, YOSHITOMI, ORISHIMA, TSUYOSHI, IZUMIYA, MASAKI, TAKABATAKE, TAKESHI
Format:	Patent
Sprache:	eng ; fre ; jpn
Schlagworte:	ALLOYS ARTIFICIAL STONE CEMENTS CERAMICS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DIFFUSION TREATMENT OF METALLIC MATERIAL FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIME, MAGNESIA MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS REFRACTORIES SLAG SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TREATMENT OF ALLOYS OR NON-FERROUS METALS TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	The purpose of the present invention is to provide a carbon material which exhibits excellent oxidation wear resistance and in which there is excellent adhesion between a substrate and a coating layer. The carbon material is characterised by comprising: a carbonaceous substrate; a silicon carbide-containing carbonized layer which is formed on the surface of the carbonaceous substrate, has an arithmetic surface roughness (Ra) of at least 1mum, a Vickers hardness (HV) of at least 50, and in which the penetration depth of a portion which penetrates from the surface of the carbonaceous substrate is at least 50mum; and a thermal sprayed coating layer which is formed on the surface of the silicon carbide-containing carbonized layer. Therein, a top coat layer may be provided on the surface of the thermal sprayed coating layer. Le but de la présente invention est de produire un matériau de carbone qui présente une excellente résistance à l'usure par oxydation et dans lequel il y a une excellente adhérence entre un substrat et une couche de revêtement. Le matériau de carbone est caractérisé en ce qu'il comprend : un substrat carboné (1); une couche carbonée contenant un carbure de silicium (2), formée sur la surface du substrat carboné (1), qui présente une rugosité arithmétique (Ra) de surface de 10 µm, une dureté Vickers (HV) de 2395, et dans laquelle la profondeur de pénétration d'une partie qui pénètre depuis la surface du matériau carboné (1) est d'au moins 50 µm; et une couche de revêtement thermique pulvérisée (3) qui est formée sur la surface de la couche carbonée contenant un carbure de silicium (2) et comprend un chrome métallique. Dans cette invention, une couche de revêtement supérieure (4) peut être formée sur la surface de la couche de revêtement thermique pulvérisée (3).