Segmented environmental barrier coating systems and methods of forming the same
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United States of America Patent
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Dec 26, 2023
Grant Date -
Dec 3, 2020
app pub date -
Aug 17, 2020
filing date -
Apr 21, 2017
priority date (Note) -
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Abstract
Methods for preparing an environmental barrier coating and the resulting coating are provided. The methods and products include the incorporation of a continuous ceramic inner layer and a segmented ceramic outer layer on a CMC component. The segmented ceramic outer layer may be formed by thermal spray techniques. The coating is more stable at higher temperatures and provides for a longer lifetime of the coated component.
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