公开(公告)号：US20230127128A1

公开(公告)日：2023-04-27

申请号：US18088162

申请日：2022-12-23

Applicant: RAYTHEON TECHNOLOGIES CORPORATION

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

IPC: C04B41/00 ,  C04B35/78 ,  C04B41/45 ,  C04B41/50 ,  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 a network of gettering particles in the matrix phase. The gettering particles have an average maximum dimension between about 30 and 70 microns. The gettering particles have maximum dimensions that range from about 1 to 100 microns, and a dispersion of barium-magnesium alumino-silicate 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：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：US20230128920A1

公开(公告)日：2023-04-27

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: C04B41/50 ,  C04B41/45 ,  C04B41/52 ,  C04B41/86 ,  C04B41/89

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：US11821327B2

公开(公告)日：2023-11-21

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

CPC classification number: F01D25/08 ,  B05D3/007 ,  C04B41/5024 ,  C04B41/5035 ,  C04B41/52 ,  C04B41/89 ,  F05D2220/32 ,  F05D2230/90

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：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：US20220316706A1

公开(公告)日：2022-10-06

申请号：US17846386

申请日：2022-06-22

Applicant: RAYTHEON TECHNOLOGIES CORPORATION

Inventor： Michael R. Kracum ,  David C. Jarmon

IPC: F23R3/00 ,  C04B35/626 ,  C04B35/80 ,  C04B38/06 ,  F02C7/18

Abstract: A method of making an ceramic article according to an exemplary embodiment of this disclosure, among other possible things includes arranging fiber plies into a preform, inserting one or more sacrificial springs to the preform, infiltrating the preform with a matrix material to form an article, and thermally degrading the one or more sacrificial springs to form cooling holes. A ceramic article and a gas turbine engine component are also disclosed.