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High temperature ceramic articles having corrosion resistant coating

United States Patent

*** EXPIRED ***
September 30, 1997
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A ceramic article which includes a porous body of SiC fibers, Si.sub.3 N.sub.4 fibers, SiC coated fibers or Si.sub.3 N.sub.4 coated fibers, having at least one surface, the article having a coating of AlN adherently disposed throughout at least a portion of the porous body.
Stinton; David P. (Knoxville, TN), Lee; Woo Y. (Knoxville, TN)
Lockheed Martin Energy Systems, Inc. (Oak Ridge, TN)
08/ 624,839
March 22, 1996
The United States Government has rights in this invention pursuant to contract no. DE-AC05-84OR21400 between the United States Department of Energy and Lockheed Martin Energy Systems, Inc.