General Electric Company

Other

Peter Joel Meschter

Krishan Lal Luthra

Curtis Alan Johnson

Hongyu Wang

Reza Sarrafi-Nour

William Patrick Allen

James L Smialek

Kang Neung Lee

Harry Edwin Eaton, Jr

Nathan S Jacobson

Elizabeth J Opila

Don Mark Lipkin

Timothy John Sommerer

Julin Wan

David Jeffrey Bryan

Vikas Midha

Bangalore Aswatha Nagaraj

Irene T Spitsberg

Lawrence Bernard Kool

Paul Stephen DiMascio

Robert A Miller

James Albert Tallman

William Paul Minnear

Lyle Timothy Rasch

Sairam Sundaram

David Joseph Mitchell

Jennifer Su Saak

James Anthony Ruud

Joseph David Rigney

Mohamed Rahmane

Milivoj Konstantin Brun

George Theodore Dalakos

Larry Steven Rosenzweig

Herbert Chidsey Roberts, Iii

Robert Dwayne Gossman

Raymond Grant Rowe

Anthony Mark Thompson

William B Hillig

Robert Arthur Giddings

Henry Charles McGuigan

Timothy D Russell

Vidya Ramaswamy

Holly Ann Blaydes

Anping Zhang

Hongbo Cao

Juan Carlos Rojo

Hongying Peng

Roman Shuba

Narottam P Bansal

David William Vernooy

Gary W Utterback

Ted Grossman

Allan Robert Northrup

Yangang Andrew Xi

Vikas Behrani

Nanottam P Bansal

Jeff Pfaendtner

Iii Herbert Chidsey Roberts

An article includes a substrate and a coating provided on a surface of the substrate. The coating includes at least one metal silicide layer consisting essentially of MoSior WSior (Mo, W)Sior a platinum group metal silicide and at least one layer consisting essentially of SiN.

Composite coatings and methods therefor

A coating system on a superalloy or silicon-containing substrate of an article exposed to high temperatures. The coating system includes a coating layer that overlies the substrate and is susceptible to hot corrosion promoted by molten salt impurities. A corrosion barrier coating overlies the coating layer and contains at least one rare-earth oxide-containing compound that reacts with the molten salt impurities to form a dense, protective byproduct barrier layer.

Hot corrosion-resistant coatings and components protected therewith

A turbomachine component includes a body having an exterior surface and an interior surface, an internal cavity defined by the interior surface, and a reactivity neutralizing member arranged within the internal cavity. The reactivity neutralizing member is configured and disposed to neutralize turbomachine combustion products on the interior surface of the body.

Turbomachine component having an internal cavity reactivity neutralizer and   method of forming the same

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.

Silica-forming articles having engineered surfaces to enhance resistance to creep sliding under high-temperature loading

An article includes a silicon-containing region including surface features on a surface thereof. The surface features include depressions, protuberances, or combinations thereof. At least one outer layer overlies the surface of the silicon-containing region. A constituent layer is provided 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 is formed by constituents of the silicon-containing region and is susceptible to creep within an operating environment of the article. The surface features physically interlock the at least one outer layer with the silicon-containing region through the constituent layer.

Environmental barrier coatings and methods therefor

A system and method for measuring cooling effectiveness of a component is disclosed. The method includes providing a component having a surface provided with a coating including a volatilization-susceptible constituent and a volatilization-resistant constituent. Further, the method includes supplying a first gaseous medium over the surface of the component through a plurality of holes in the component and feeding a second gaseous medium along the surface of the component. The method includes exposing the surface of the component to the first and second gaseous mediums for a predetermined period. The method further includes determining a thickness of the coating exposed to the flow of the first and second gaseous mediums. The method includes analyzing the thickness of the coating to determine whether the coating is removed from the surface of the component upon exposure to the first and second gaseous mediums.

System and method for measuring cooling of a component

An article for use in aggressive environments is presented. In one embodiment, the article comprises a substrate and a self-sealing and substantially hermetic sealing layer comprising an alkaline-earth aluminosilicate disposed over the bondcoat. The substrate may be any high-temperature material, including, for instance, silicon-bearing ceramics and ceramic matrix composites. A method for making such articles is also presented. The method comprises providing a substrate; disposing a self-sealing alkaline-earth aluminosilicate layer over the substrate; and heating the sealing layer to a sealing temperature at which at least a portion of the sealing layer will flow.

Articles for high temperature service and methods for their manufacture

A system and method for measuring cooling effectiveness of a component is disclosed. The method includes providing a component with a coating applied on a surface of the component. Further, the method includes supplying a first gaseous medium over a surface of the component through a plurality of holes in the component and feeding a second gaseous medium along the surface of the component. Further, the method includes exposing the surface of the component to the first and second gaseous mediums for a predetermined period. The method further includes obtaining an image of the surface of the component exposed to the first and second gaseous mediums for the predetermined period. The method includes analyzing the obtained image to determine whether at least a portion of the coating is removed from the surface of the component upon exposure to the second gaseous medium.

In one aspect of the present invention, a method is provided. The method includes disposing a substantially amorphous cadmium tin oxide layer on a support; and thermally processing the substantially amorphous cadmium tin oxide layer in an atmosphere substantially free of cadmium from an external source to form a transparent layer, wherein the transparent layer has an electrical resistivity less than about 2&#xd7;10Ohm-cm. Method of making a photovoltaic device is also provided.

Method of making a transparent conductive oxide layer and a photovoltaic device

Embodiments disclosed herein provide hydrocarbon additives and methods of making and using the same. The additives are suitable for use in conjunction with gasifiers, furnaces, or other high-temperature vessels. The additives may be part of an input stream to a reaction vessel of a hydrocarbon gasifier. The additives may include materials that at least partially reduce the infiltration of slag into the refractory material.

Gasifier additives for improved refractory life

An article for use in aggressive environments is presented. In one embodiment, the article comprises a substrate and a self-sealing and substantially hermetic sealing layer disposed over the bondcoat. The substrate may be any high-temperature material, including, for instance, silicon-bearing ceramics and ceramic matrix composites. A method for making such articles is also presented. The method comprises providing a substrate; disposing a self-sealing layer over the substrate; and heating the sealing layer to a sealing temperature at which at least a portion of the sealing layer will flow.

A treated refractory material includes a sintered porous refractory material having one or more protective materials disposed within pores of the refractory material, wherein the protective material is selected from the group consisting of aluminum oxide, chromium oxide, silica, rare earth oxides, rare earth zirconates, titanium oxide, mullite, zirconium oxide, zirconium silicate, yttrium oxide, magnesium oxide, iron oxide, and blends thereof. Methods of preparing the treated refractory material are also provided. The treated refractory material provides protection from the penetration of slag and extends the service life of the refractory.

Treated refractory material and methods of making

A light source includes a base, a light-transmissive envelope coupled to the base, a composition disposed within the light-transmissive envelope, and a gas phase contained by the envelope for suppressing vaporization of the composition at operating temperatures greater than about 2000 Kelvin. The composition includes a first region and a second region and operable to suppress or reflect photons having a wavelength greater than about 700 nm and to emit or transmit photons having a wavelength between about 400 nm and about 700 nm.

Light source incorporating a high temperature ceramic composite and gas phase for selective emission

Growing community of inventors

Niskayuna, NY, United States of America

Peter Joel Meschter