Rtx Corporation

Raytheon Technologies Corporation

United Technologies Corporation

Carrier Corporation

Utc Fuel Cells, LLC

Goodrich Corporation

Sikorsky Aircraft Corporation

Utc Power Corporation

Xia Tang

James Thompson Beals

Richard Wesley Jackson

Wayde R Schmidt

Paul Sheedy

Tania Bhatia Kashyap

Richard Wesley Jackson, Iii

Daniel G Goberman

David C Jarmon

Ying She

Zissis A Dardas

David A Litton

Brian T Hazel

Michael R Kracum

Mark R Jaworowski

Susanne Marie Opalka

Elisa M Zaleski

Zhongfen Ding

Xuan Liu

Gajawalli V Srinivasan

Tania Bhatia

Zaffir A Chaudhry

Roger R Lesieur

John E Holowczak

Joseph J Sangiovanni

Ulf J Jonsson

Kathryn S Read

Louis J Spadaccini

Thomas Henry Vanderspurt

John G Smeggil

Rhonda R Willigan

He Huang

Shahram Amini

Kenneth David Smith

Imelda P Smyth

Zhigang Wang

Mary Colby

Rakesh Radhakrishnan

Promila Bhatia

Fabienne Wijzen

Christopher Teeling

Laurence R Boedeker

Jian Sun

Bruce Leon Laube

Fangxia Feng

Caroline A Newman

Miriam P Leffler

Owen B Donahue, Jr

Vishnu Mohan Sishtla

Tahany Ibrahim El-Wardany

Andrew Joseph Lazur

Steven A Poteet

Joseph Parkos, Jr

Weilong Zhang

Harry E Eaton

John D Riehl

Foster Philip Lamm

David A Condit

Clark VanTine Cooper

Justin R Hawkes

Gary M Lomasney

Olivier H Sudre

William K Tredway

Xiaomei Yu

Thomas J Garosshen

Xiaoyuan Chang

Robert A Barth

Xiaomei Fang

William F Werkheiser

Harry Edwin Eaton, Jr

William J Joost

R Wesley Jackson

Anthony G Ruglio

Neil R Baldwin

Jun Nable

Mike A Kryzman

Amy Besing

Virginia H Faustino

Neil Baldwin

Thomas Garosshen

An article according to an exemplary embodiment of this disclosure, among other possible things includes a substrate and a barrier layer on the substrate. The barrier layer includes a bond coat comprising a matrix, diffusive particles disposed in the matrix, and gettering particles disposed in the matrix. At least about 10% of the gettering particles are in a crystalline phase. The article also includes a top coat. An article is also disclosed.

Environmental barrier coating with thermal properties

An adaptive surface texturing method is provided for use with a part formed of ceramic matrix composites (CMCs) to be coated with an environmental barrier coating (EBC). The method includes coating a CMC surface of the part with an initial coating, determining a contour and an undulation pattern of the CMC surface and designing a texturing pattern to follow the contour and the undulation pattern and to be formed in the initial coating based on a thickness of the initial coating and an average particle size of a slurry of the EBC.

Adaptive surface texturing for ceramic matrix composites

Systems and methods for forming an oxidation protection system on a composite structure are provided. In various embodiments, the oxidation protection system comprises a boron-glass layer formed on the composite substrate and a silicon-glass layer formed over the boron-glass layer. Each of the boron-glass layer and the silicon-glass layer includes a glass former.

Oxidation protection with improved water resistance for composites

An article includes a ceramic-based substrate and a barrier layer on the ceramic-based substrate. The barrier layer includes a matrix of barium-magnesium alumino-silicate or SiO, a dispersion of silicon oxycarbide particles in the matrix, and a dispersion of particles, of the other of barium-magnesium alumino-silicate or SiO, in the matrix.

Silicon oxycarbide environmental barrier coating

A coating according to an exemplary embodiment of this disclosure, among other possible things includes a bond coat including gettering particles and diffusive particles dispersed in a matrix; a top coat disposed over the bond coat, the top coat includes metal silicate particles; and an intermediate layer between the bond coat and the top coat. The intermediate layer includes hafnium silicate particles and matrix. A concentration of metal silicate in the intermediate layer is less than a concentration of metal silicate in the top coat. An article is also disclosed.

Environmental barrier coating

A method of forming a coating includes providing a mold that has a flexible wall that defines a mold cavity, inserting a component that is to be coated into the mold cavity, the component having a component surface roughness and there being a coating gap defined between the component and the flexible wall of the mold cavity, introducing a molding slurry into the mold cavity, the molding slurry filling the coating gap and contacting the component so as to overcoat the component surface roughness, solidifying the molding slurry to form a green coating on the component, and consolidating the green coating to form a final coating on the component, the final coating having a coating surface roughness that is less than the component surface roughness.

Method and system for molded coating on CMC

A method for forming a self-healing ceramic matrix composite (CMC) component includes depositing a first self-healing particulate material in a first region of a CMC preform of the CMC component and depositing a second self-healing particulate material having a different chemical composition than the first self-healing particulate material in a second region of the CMC preform distinct from the first region.

Self-healing matrix for a ceramic composite

An example article according to the present disclosure includes, among other possible things, a metallic substrate, and a bond coat on the metallic substrate. The bond coat includes a matrix phase, gettering particles in the matrix phase, wherein the gettering particles are reactive with oxidants, and a dispersion of matrix modifier particles in the matrix phase. The example article also includes a diffusion barrier between the bond coat and the metallic substrate, wherein the diffusion barrier is configured to inhibit diffusion of components from the bond coat into the metallic substrate. An example composite material and method of applying a barrier to a substrate are also disclosed.

A method of applying a coating to a substrate includes forming a slurry by mixing elemental precursors of gettering particles, diffusive particles, matrix material, and a carrier fluid; applying the slurry to a substrate; and sintering the slurry to form a composite material. The sintering causes the elemental precursors to react with one another to form gettering particles. An article is also disclosed.

Environmental barrier coating and method of forming the same

An article includes a ceramic-based substrate and a barrier layer on the ceramic-based substrate. The barrier layer includes a matrix phase and gettering particles in the matrix phase. The gettering particles with an aspect ratio greater than one are aligned such that a maximum dimension of the gettering particles extends along an axis that is generally parallel to the substrate. The barrier layer includes a dispersion of diffusive particles in the matrix phase. A composite material and a method of applying a barrier layer to a substrate are also disclosed.

A coated article including an article having a surface; an oxidation resistant bond coat layer deposited on the surface, the oxidation resistant bond coat layer comprising a healing silica matrix and at least one oxygen scavenger forming a metal silicide network dispersed within the healing silica matrix; and a top coat layer disposed upon the oxidation resistant bond coat layer, whereby the oxidation resistant bond coat layer is operable to seal a crack in the top coat layer.

Oxidation resistant bond coat layers, processes for coating articles, and their coated articles

An article includes a substrate and a barrier layer on the substrate. The barrier layer includes a matrix, diffusive particles dispersed in the matrix, and gettering particles dispersed in the matrix. The gettering particles include at least one alloyed metal silicide. A composite material and a method of fabricating an article are also disclosed.

An article includes a silicon oxycarbide-based layer that has Si, O, and C in a covalently bonded network. The silicon oxycarbide-based layer has first and second opposed surfaces. A calcium-magnesium alumino-silicate-based layer is interfaced with the first surface of the silicon oxycarbide-based layer.

Silicon oxycarbide-based environmental barrier coating

An environmental barrier coating includes a barrier layer which includes a matrix, diffusive particles, and gettering particles; and a calcium-magnesia alumina-silicate (CMAS)-resistant component. The CMAS-resistant component includes hafnium silicate and a rare earth hafnate. An article and a method of fabricating an article are also disclosed.

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West Hartford, CT, United States of America

Xia Tang