US 12,441,665 B2
Composite component with environmental protection
Olivier H. Sudre, Glastonbury, CT (US)
Assigned to RTX CORPORATION, Farmington, CT (US)
Filed by RAYTHEON TECHNOLOGIES CORPORATION, Farmington, CT (US)
Filed on Jun. 23, 2023, as Appl. No. 18/213,665.
Prior Publication US 2024/0425423 A1, Dec. 26, 2024
Int. Cl. C04B 41/00 (2006.01); C04B 41/45 (2006.01); C04B 41/81 (2006.01); F02C 7/00 (2006.01)
CPC C04B 41/009 (2013.01) [C04B 41/4523 (2013.01); C04B 41/4539 (2013.01); C04B 41/455 (2013.01); C04B 41/81 (2013.01); F02C 7/00 (2013.01); F05D 2230/90 (2013.01); F05D 2300/6033 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A method, comprising:
providing a ceramic matrix composite article including ceramic-based reinforcements disposed in a ceramic-based matrix; and
applying a barrier layer to the ceramic matrix composite article such that the barrier layer infiltrates into voids in the ceramic matrix composite article
wherein the ceramic matrix composite article has a surface region having a looser weave structure compared to a weave structure in a body of the ceramic matrix composite article.