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

United States Patent Application

20150118443
A1
View the Complete Application at the US Patent & Trademark Office
An article includes a silicon-containing region; at least one outer layer overlying a surface of the silicon-containing region; and a constituent layer on the surface of the silicon-containing region and between and contacting the silicon-containing region and the at least one outer layer, the constituent layer being formed by constituents of the silicon-containing region and being susceptible to creep within an operating environment of the article, wherein the silicon-containing region defines a plurality of channels and a plurality of ridges that interlock within the plurality of channels are formed in the silicon-containing region to physically interlock the at least one outer layer with the silicon-containing region through the constituent layer.
Lipkin, Don Mark (Schenectady, NY), Johnson, Curtis Alan (Niskayuna, NY), Meschter, Peter Joel (Franklin, TN), Sundaram, Sairam (Niskayuna, NY), Wan, Julin (Rexford, NY)
GENERAL ELECTRIC COMPANY (Schenectady NY)
14/ 068,693
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.