Invention Grant
- Patent Title: Machinable coatings fabricated by slurry methods for use on ceramic matrix composites
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Application No.: US17517984Application Date: 2021-11-03
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Publication No.: US11623897B2Publication Date: 2023-04-11
- Inventor: Imelda P. Smyth , Xia Tang
- Applicant: Raytheon Technologies Corporation
- Applicant Address: US CT Farmington
- Assignee: Raytheon Technologies Corporation
- Current Assignee: Raytheon Technologies Corporation
- Current Assignee Address: US CT Farmington
- Agency: Bachman & LaPointe, P.C.
- Main IPC: C04B41/85
- IPC: C04B41/85 ; F01D11/08 ; F01D25/24 ; C04B41/00 ; C04B41/50
Abstract:
A blade outer air seal has at least one internal surface and a layer atop the at least one internal surface. The layer has: a matrix comprising at least one of hafnium silicate (HfSiO4) and zirconium silicate (ZrSiO4), ytterbium disilicate (Yb2Si2O7); and barium magnesium alumino silicate (BMAS) or other alkaline earth aluminosilicate.
Public/Granted literature
- US20220055956A1 MACHINABLE COATINGS FABRICATED BY SLURRY METHODS FOR USE ON CERAMIC MATRIX COMPOSITES Public/Granted day:2022-02-24
Information query
