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Coated article and method of makingAn article includes a silicon-containing substrate and a modified mullite coating. The modified mullite coating comprises mullite and a modifier component that reduces cracks in the modified mullite coating. The article can further comprise a thermal barrier coating applied to the modified mullite coating. The modified mullite coating functions as a bond coating between the external environmental/thermal barrier coating and the silicon-containing substrate. In a method of forming an article, a silicon-containing substrate is formed and a modified mullite coating is applied. The modified mullite coating comprises mullite and a modifier component that reduces cracks in the modified mullite coating.
Document ID
20080004948
Acquisition Source
Glenn Research Center
Document Type
Other - Patent
Authors
Wang, Hongyu
Lee, Kang Neung
Date Acquired
August 24, 2013
Publication Date
November 26, 2002
Subject Category
Chemistry And Materials (General)
Report/Patent Number
Patent Application Number: US-PATENT-APPL-SN-299419
Patent Number: US-PATENT-6,485,848
Funding Number(s)
CONTRACT_GRANT: NAS3-26385
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-PATENT-6,485,848
Patent Application
US-PATENT-APPL-SN-299419

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