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US 11,512,383 B2Granted
CMAS-resistant protective layer
AssigneeDeutsches Zentrum für Luft- und Raumfahrt e.V.
InventorRavisankar Naraparaju
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Abstract
The present invention relates to a protective layer against CMAS, to a CMAS-resistant article comprising the protective layer according to the invention, and to a process for preparing a corresponding article.
Claims7
A protective layer against CMAS, characterized in that said protective layer consists of oxides of iron, yttrium and silicon.
A CMAS-resistant article, comprising:
- a basic structure made of a refractory material with a surface,
- a first coating on this surface, and
- a protective layer consisting of oxides of iron, yttrium and silicon that has been applied to this first coating.
Dependencies are inferred from the claim text.