公开(公告)号：US12221393B2

公开(公告)日：2025-02-11

申请号：US18088152

申请日：2022-12-23

Applicant: RAYTHEON TECHNOLOGIES CORPORATION

Inventor： Richard Wesley Jackson ,  Michael R. Kracum ,  Xia Tang ,  James T. Beals

IPC: C04B41/45 ,  C04B41/50 ,  C04B41/52 ,  C04B41/86 ,  C04B41/89 ,  F01D5/28

Abstract: 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.

公开(公告)号：US20240418101A1

公开(公告)日：2024-12-19

申请号：US18209260

申请日：2023-06-13

Applicant: Raytheon Technologies Corporation

Inventor： John A. Sharon ,  Henry H. Thayer ,  Ryan M. Deacon ,  Tianli Zhu ,  Richard Wesley Jackson, III ,  James T. Beals

IPC: F01D21/00 ,  F02C7/00 ,  G01K1/14 ,  G01K3/00

Abstract: A component of an aero-propulsion apparatus, wherein the component includes a material and has a surface, and a thin film on the surface, wherein the thin film is configured to undergo a detectible change in properties when exposed to a temperature exceeding a threshold temperature. Methods are also disclosed.

公开(公告)号：US20240318576A1

公开(公告)日：2024-09-26

申请号：US18123666

申请日：2023-03-20

Applicant: RAYTHEON TECHNOLOGIES CORPORATION

Inventor： Richard Wesley Jackson, III ,  Xia Tang ,  James T. Beals ,  Nadia Rohbeck ,  David A. Litton ,  Olivier H. Sudre

IPC: F01D25/00 ,  C08K3/32 ,  C08K3/38 ,  C08K3/40 ,  C09D1/00 ,  C09D7/61

CPC classification number: F01D25/005 ,  C08K3/32 ,  C08K3/38 ,  C08K3/40 ,  C09D1/00 ,  C09D7/61 ,  C08K2003/327 ,  F05D2230/90 ,  F05D2300/211 ,  F05D2300/615

Abstract: An article according to an exemplary embodiment of this disclosure includes a substrate and a bond coat disposed on the substrate. The bond coat includes a matrix. The matrix includes regions of β-cristobalite. The article also includes a plurality of gettering particles disposed in the matrix, a plurality of diffusive particles disposed in the matrix, and an additive operable to stabilize the regions of β-cristobalite at ambient temperatures dispersed in the matrix. An article and a method of coating an article are also disclosed.

公开(公告)号：US20230416538A1

公开(公告)日：2023-12-28

申请号：US17849129

申请日：2022-06-24

Applicant: Raytheon Technologies Corporation

Inventor： Xia Tang ,  Richard Wesley Jackson, III ,  James T. Beals ,  David A. Litton ,  Brian T. Hazel

IPC: C09D5/08

CPC classification number: C09D5/084

Abstract: 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; a topcoat; and a porous interlayer disposed between the topcoat and the bond coat. The porous interlayer has a porosity that is greater than a porosity of the topcoat. A slurry composition for applying an interlayer to an article and method of applying a top coat to an article are also disclosed.

公开(公告)号：US20230312425A1

公开(公告)日：2023-10-05

申请号：US17711614

申请日：2022-04-01

Applicant: Raytheon Technologies Corporation

Inventor： Richard Wesley Jackson, III ,  Xia Tang ,  James T. Beals

IPC: C04B35/80 ,  C04B35/622 ,  C04B41/85 ,  C04B41/91

CPC classification number: C04B35/80 ,  C04B35/62281 ,  C04B41/85 ,  C04B41/91 ,  C04B2235/5244 ,  C04B2235/5268 ,  C04B2235/5264 ,  C04B2235/5436 ,  C04B2235/9607

Abstract: A method of making a ceramic matrix composite according to an exemplary embodiment of this disclosure, among other possible things includes forming a ceramic matrix composite component by infiltrating an array of ceramic-based fibers with a ceramic-based matrix. The array of ceramic-based fibers forms a surface that includes gaps between adjacent ones of the fibers. The method also includes applying a paste including filler particles and filler matrix in a carrier fluid to the surface of the ceramic-based fibers that includes the gaps such that the paste fills the gaps and removing the carrier fluid to leave behind a filler including the filler particles and the filler matrix in the gaps. A ceramic matrix composite component is also disclosed.

公开(公告)号：US20230416157A1

公开(公告)日：2023-12-28

申请号：US17849180

申请日：2022-06-24

Applicant: RAYTHEON TECHNOLOGIES CORPORATION

Inventor： David A. Litton ,  Richard Wesley Jackson, III ,  Xia Tang ,  James T. Beals

IPC: C04B35/565 ,  C04B35/14 ,  C04B35/622 ,  C04B41/00 ,  C04B41/52 ,  C04B41/50 ,  C04B41/89 ,  C04B41/87

CPC classification number: C04B35/565 ,  C04B35/14 ,  C04B35/62222 ,  C04B41/009 ,  C04B41/524 ,  C04B41/5059 ,  C04B41/89 ,  C04B41/87 ,  C04B2235/3826 ,  C04B2235/3418 ,  C04B2235/3895 ,  C04B2235/5436 ,  C04B2235/96

Abstract: 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.

公开(公告)号：US20230211374A1

公开(公告)日：2023-07-06

申请号：US18120686

申请日：2023-03-13

Applicant: Raytheon Technologies Corporation

Inventor： James T. Beals ,  Tania Bhatia Kashyap

IPC: B05D3/14 ,  F01D5/28

CPC classification number: B05D3/142 ,  F01D5/288 ,  F05D2300/6033 ,  F05D2300/611 ,  F05D2240/30 ,  F05D2230/90 ,  F05D2240/12

Abstract: A method for coating a ceramic matrix composite substrate with an environmental barrier coating includes the steps of: treating a surface of a ceramic matrix composite substrate to adjust wettability of the surface; and applying an aqueous slurry-based environmental barrier coating to the surface. The treating step can be a plasma treatment to remove organic contaminants, and can also be a treatment to modify oxidative state of the surface. The treatment can produce a surface for treatment that is hydrophilic and has a contact angle with aqueous-slurry coating materials of less than 40 degrees.

公开(公告)号：US20230037726A1

公开(公告)日：2023-02-09

申请号：US17962834

申请日：2022-10-10

Applicant: RAYTHEON TECHNOLOGIES CORPORATION

Inventor： Michael R. Kracum ,  Xia Tang ,  Richard Wesley Jackson ,  Zhongfen Ding ,  James T. Beals

IPC: F01D25/08 ,  B05D3/00 ,  C04B41/52 ,  C04B41/89 ,  C04B41/50

Abstract: A gas turbine engine article includes a silicon-containing ceramic substrate and an environmental barrier coating (EBC) system disposed on the substrate. The EBC system includes, from the substrate, a dense bond coat layer, a porous bond coat layer, and a topcoat layer in contact with the porous bond coat layer. The dense bond coat layer and the porous bond coat layer each include a silica matrix and oxygen-scavenging gas-evolution particles dispersed through the silica matrix. The porous bond coat layer includes engineered pores.

公开(公告)号：US20210332709A1

公开(公告)日：2021-10-28

申请号：US16859180

申请日：2020-04-27

Applicant: Raytheon Technologies Corporation

Inventor： Howard J. Liles ,  James T. Beals

IPC: F01D5/28 ,  B28B7/00 ,  B28B11/10

Abstract: A method of fabricating a barrier layer on a substrate includes mixing gettering particles, diffusive particles, and matrix material in a carrier fluid to form a slurry; applying a layer of the slurry to the substrate; adjusting the surface of the layer of the slurry; and sintering the layer of the slurry to form a barrier layer. An article is also disclosed.

公开(公告)号：US10814580B2

公开(公告)日：2020-10-27

申请号：US15810192

申请日：2017-11-13

Applicant: RAYTHEON TECHNOLOGIES CORPORATION

Inventor： Wayde R. Schmidt ,  James T. Beals ,  Aaron T. Nardi

IPC: B32B3/00 ,  F01D5/28 ,  B32B7/02 ,  B32B3/30 ,  B82Y30/00

Abstract: A gas turbine engine includes an airfoil having a core that has a first hardness and a surface on the core. The surface includes a plurality of geometric features that have a second, greater hardness. The geometric features define a surface porosity by area percent and a corresponding surface solidity by area percent. The surface includes a ratio of the surface solidity divided by the surface porosity that is 1.8 or greater. The geometric features and the ratio establish the surface to be hydrophobic, and the second, greater hardness and the ratio establish an erosion rate of the surface that is equal to or less than an erosion rate of the core under identical erosion conditions.