US 11,920,497 B2
Ceramic component
Olivier H. Sudre, Glastonbury, CT (US); Nitin Garg, Avon, CT (US); John H. Shaw, West Hartford, CT (US); Kathryn S. Read, Marlborough, CT (US); Cristal Chan, East Hampton, CT (US); Mary Colby, West Hartfod, CT (US); Andrew J. Lazur, La Jolla, CA (US); and Tania Bhatia Kashyap, West Hartford, CT (US)
Assigned to RTX Corporation, Farmington, CT (US)
Filed by RTX CORPORATION, Farmington, CT (US)
Filed on Dec. 3, 2021, as Appl. No. 17/541,828.
Claims priority of provisional application 63/121,005, filed on Dec. 3, 2020.
Prior Publication US 2022/0178262 A1, Jun. 9, 2022
Int. Cl. F01D 5/28 (2006.01); C04B 35/80 (2006.01)
CPC F01D 5/282 (2013.01) [C04B 35/80 (2013.01); F05D 2230/90 (2013.01); F05D 2300/6033 (2013.01); F05D 2300/614 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A ceramic matrix composite, comprising:
a plurality of ceramic fibers;
a first interface coating disposed on the plurality of ceramic fibers, wherein the first interface coating includes a carbon-based layer disposed on each ceramic fiber of the plurality of ceramic fibers and a boron-nitride based layer disposed on the first carbon-based layer, and a second interface coating disposed on the first interface coating, the second interface coating including a second carbon-based layer and a second boron-nitride based layer; and
a ceramic matrix surrounding the plurality of ceramic fibers.