OXIDATION BARRIER MATERIALS AND PROCESS FOR CERAMIC MATRIX COMPOSITES

A method of applying an environmental barrier coating and an environmental barrier coating. The method includes applying a high apparent density powder via a high temperature and high velocity (HTHV) process. The high apparent density powder comprises at least one of rare earth silicates; mullite or...

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Bibliographische Detailangaben
Hauptverfasser:	CHEN, DIANYING, DWIVEDI, GOPAL, DORFMAN, MITCHELL R, PEGLER, AARON
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	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 INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIME, MAGNESIA METALLURGY REFRACTORIES SLAG SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	A method of applying an environmental barrier coating and an environmental barrier coating. The method includes applying a high apparent density powder via a high temperature and high velocity (HTHV) process. The high apparent density powder comprises at least one of rare earth silicates; mullite or alkaline silicate. La présente invention concerne un procédé d'application d'un revêtement de barrière environnementale et un revêtement de barrière environnementale. Le procédé comprend l'application d'une poudre à masse volumique apparente élevée par l'intermédiaire d'un procédé à haute température et à grande vitesse (HTHV). La poudre à masse volumique apparente élevée comprend au moins l'un parmi des silicates de terre rare ; la mullite ou un silicate alcalin.