General Electric Company

Terry James Kent

Warren Rosal Ronk

Stephen Mark Whiteker

Todd Aaron Bullions

Andrew Jay Skoog

William Randolph Stowell

Jane Ann Murphy

Thomas Walter Rentz

Daniel Peter Ivkovich, Jr

Stephen M Whiteker

Methods for forming thermal oxidative barrier coatings for organic matrix composites include applying a bond coat having nano-particles dispersed in a polyimide matrix to a hot side surface of a component and overlying the bond coat with a thermal barrier layer comprising a silsesquioxane or an inorganic polymer. The nano-particles may include clay platelets, graphite flakes or a polyhedral oligomeric silsesquioxane. The bond coat may be applied as a liquid. The thermal barrier layer may be applied as a liquid, film, prepreg, molding compound, or a spray.

Methods for forming thermal oxidative barrier coatings on organic matrix composite substrates

A thermal oxidative barrier coating for organic matrix composites includes a bond coat having nano-particles dispersed in a polyimide matrix and a thermal barrier layer comprising a silsesquioxane or an inorganic polymer. The nano-particles may include clay platelets, graphite flakes or a polyhedral oligomeric silsesquioxane. The coated article may be utilized in gas turbine engine applications, particularly for a flow path duct adapted for exposure to high temperature, oxygen-containing environments.

Thermal oxidative barrier coatings for organic matrix composite substrates and coated articles

A method for forming a ceramic layer on the surface of a turbine component. This method comprises the following steps: (a) providing a turbine component having a surface; (b) providing at least one ceramic tape overlaying the component surface; and (c) manually pressing the at least one ceramic tape against the component surface at a temperature of from about 150&#xb0; to about 700&#xb0; F. (from about 66&#xb0; to about 371&#xb0; C.) so as to cause the at least one ceramic tape to adhere to the component surface.

Method of forming ceramic layer

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Cincinnati, OH, United States of America

Terry James Kent