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Title: Environmental barrier coating

Patent ·
OSTI ID:1082339

The present invention relates generally to a multi-layered article suitable for service in severe environments. The article may be formed of a substrate, such as silicon carbide and/or silicon nitride. The substrate may have a first layer of a mixture of a rare earth silicate and Cordierite. The substrate may also have a second layer of a rare earth silicate or a mixture of a rare earth silicate and cordierite.

Research Organization:
ORO (Oak Ridge Office, Oak Ridge, TN (United States))
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-00OR22725
Assignee:
Saint-Gobain Ceramics & Plastics, Inc. (Worcester, MA)
Patent Number(s):
8,334,062
Application Number:
12/024,522
OSTI ID:
1082339
Country of Publication:
United States
Language:
English

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