US 12,234,194 B2
High temperature composite materials with erosion resistant seal coat
Nitin Garg, West Hartford, CT (US); Olivier H. Sudre, Glastonbury, CT (US); and Richard Wesley Jackson, Mystic, CT (US)
Assigned to RTX CORPORATION, Farmington, CT (US)
Filed by RTX Corporation, Farmington, CT (US)
Filed on Jul. 23, 2021, as Appl. No. 17/383,808.
Prior Publication US 2023/0027473 A1, Jan. 26, 2023
Int. Cl. C04B 41/45 (2006.01); C04B 35/80 (2006.01); C04B 41/00 (2006.01); C04B 41/50 (2006.01); C04B 41/87 (2006.01)
CPC C04B 41/4531 (2013.01) [C04B 35/80 (2013.01); C04B 41/009 (2013.01); C04B 41/4596 (2013.01); C04B 41/5059 (2013.01); C04B 41/87 (2013.01); C04B 2235/3826 (2013.01); C04B 2235/5244 (2013.01)] 14 Claims
 
1. A coated composite comprising a seal coat disposed on a composite material wherein the seal coat comprises protective particles and a silicon carbide matrix deposited by vapor phase; wherein the composite material comprises a matrix and the composite material matrix has the same composition as the seal coat matrix.