COATING SUBSTRATES WITH HIGH TEMPERATURE CERAMICS

A method of coating a substrate with a high temperature ceramic comprises delivering vaporised methyl acetylene propadiene (MPS) to a mixing chamber of an oxy-fuel spray gun where it is mixed with oxygen. Subsequently the gas mixture is introduced into a combustion chamber of the spray gas together...

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Bibliographische Detailangaben
Hauptverfasser:	CREFFIELD, GEOFFREY KENNETH, COLE, MARK ANDREW
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	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 DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	A method of coating a substrate with a high temperature ceramic comprises delivering vaporised methyl acetylene propadiene (MPS) to a mixing chamber of an oxy-fuel spray gun where it is mixed with oxygen. Subsequently the gas mixture is introduced into a combustion chamber of the spray gas together with a powdered high temperature ceramic entrained in a stream of inert gas. The heated particles of the ceramic are then sprayed on to the surface of the substrate.