PRETREATMENT OF HIGH TEMPERATURE CERAMIC COMPOSITES

Coated components, along with methods of their formation, are provided. The coated component includes a ceramic substrate having a Si-treated layer surrounding a ceramic core and an environmental barrier coating on the Si-treated layer of the ceramic substrate. The ceramic core includes silicon carb...

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Bibliographic Details
Main Author Luthra, Krishan L
Format Patent
LanguageEnglish
French
German
Published 29.05.2019
Subjects
ARTIFICIAL STONE
BLASTING
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
LIME, MAGNESIA
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
METALLURGY
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
REFRACTORIES
SLAG
STEAM ENGINES
TREATMENT OF NATURAL STONE
WEAPONS
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Summary:Coated components, along with methods of their formation, are provided. The coated component includes a ceramic substrate having a Si-treated layer surrounding a ceramic core and an environmental barrier coating on the Si-treated layer of the ceramic substrate. The ceramic core includes silicon carbide, and the Si-treated layer is pretreated to tailor its surface's properties for inhibiting or delaying the formation of carbon oxides to upon exposure of the Si-treated layer to oxygen.
Bibliography:Application Number: EP20180208051