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METHODS OF MANUFACTURING SILICA-FORMING ARTICLES HAVING ENGINEERED SURFACES TO ENHANCE RESISTANCE TO CREEP SLIDING UNDER HIGH-TEMPERATURE LOADING

United States Patent Application

20150118444
A1
View the Complete Application at the US Patent & Trademark Office
A method of forming an article includes forming a silicon-containing layer on a silicon-containing region of a surface of a substrate of the article; forming a plurality of channels and ridges in the silicon-containing layer; and forming at least one outer layer overlying the surface of the silicon-containing region. The plurality of channels and ridges may be formed by adding silicon-containing material to the silicon-containing layer. The channels and ridges may be formed by subtracting material from the silicon-containing layer. The channels and ridges may be formed by forming channels or grooves in the silicon-containing region of the surface of the substrate prior to formation of the silicon-containing layer.
Lipkin, Don Mark (Schenectady, NY), Johnson, Curtis Alan (Niskayuna, NY), Margolies, Joshua Lee (Niskayuna, NY), Rosenzweig, Larry Steven (Clifton Park, NY), Wan, Julin (Rexford, NY)
GENERAL ELECTRIC COMPANY (Schenectady NY)
14/ 068,840
October 31, 2013
GOVERNMENT INTEREST [0001] The present technology was developed with Government support under Contract No. DE-FC26-05NT42643 awarded by the Department of Energy. The Government may have certain rights in the claimed inventions.