US 12,104,503 B2
Environmental barrier coating
Richard Wesley Jackson, Mystic, CT (US); Xia Tang, West Hartford, CT (US); James T. Beals, West Hartford, CT (US); Gajawalli V. Srinivasan, South Windsor, CT (US); and William K. Tredway, Manchester, CT (US)
Assigned to RTX CORPORATION, Farmington, CT (US)
Filed by Raytheon Technologies Corporation, Farmington, CT (US)
Filed on Aug. 28, 2020, as Appl. No. 17/006,151.
Prior Publication US 2022/0065113 A1, Mar. 3, 2022
Int. Cl. F01D 5/28 (2006.01); B32B 15/04 (2006.01); B32B 15/16 (2006.01); B32B 18/00 (2006.01); C04B 35/01 (2006.01); C04B 35/14 (2006.01); C04B 35/80 (2006.01); C04B 41/00 (2006.01); C04B 41/50 (2006.01); C04B 41/52 (2006.01); C04B 41/87 (2006.01); C04B 41/89 (2006.01); C23C 24/08 (2006.01); C23C 26/00 (2006.01); C23C 28/04 (2006.01); F01D 25/00 (2006.01); F23R 3/00 (2006.01)
CPC F01D 5/288 (2013.01) [B32B 15/04 (2013.01); B32B 15/043 (2013.01); B32B 15/16 (2013.01); B32B 18/00 (2013.01); C04B 35/01 (2013.01); C04B 35/14 (2013.01); C04B 35/80 (2013.01); C04B 41/009 (2013.01); C04B 41/5035 (2013.01); C04B 41/5071 (2013.01); C04B 41/5089 (2013.01); C04B 41/52 (2013.01); C04B 41/87 (2013.01); C04B 41/89 (2013.01); C23C 24/08 (2013.01); C23C 24/085 (2013.01); C23C 26/00 (2013.01); C23C 28/04 (2013.01); C23C 28/042 (2013.01); C23C 28/044 (2013.01); C23C 28/048 (2013.01); F01D 5/28 (2013.01); F01D 5/284 (2013.01); F01D 25/005 (2013.01); F01D 25/007 (2013.01); F23R 3/007 (2013.01); C04B 2235/3481 (2013.01); C04B 2235/365 (2013.01); C04B 2235/3813 (2013.01); F05D 2240/11 (2013.01); F05D 2240/35 (2013.01); F05D 2300/21 (2013.01); F05D 2300/211 (2013.01); F05D 2300/222 (2013.01); F05D 2300/502 (2013.01); F05D 2300/6033 (2013.01); F23R 2900/00018 (2013.01); Y02T 50/60 (2013.01); Y10T 428/12486 (2015.01); Y10T 428/12493 (2015.01); Y10T 428/12535 (2015.01); Y10T 428/12597 (2015.01); Y10T 428/12604 (2015.01); Y10T 428/12611 (2015.01); Y10T 428/12618 (2015.01); Y10T 428/12625 (2015.01); Y10T 428/12667 (2015.01); Y10T 428/12674 (2015.01); Y10T 428/12931 (2015.01); Y10T 428/12944 (2015.01); Y10T 428/12979 (2015.01); Y10T 428/12986 (2015.01); Y10T 428/26 (2015.01)] 18 Claims
OG exemplary drawing
 
1. An article comprising:
a substrate; and
a barrier layer on the substrate, the barrier layer including a matrix, diffusive particles dispersed in the matrix, and gettering particles dispersed in the matrix, wherein the diffusive particles comprise at least one of barium-magnesium alumino-silicate particles, calcium alumino-silicate particles, yttrium alumino-silicate particles, ytterbium alumino-silicate particles, borosilicate glass particles, refractory metal boride particles, hafnium diboride particles, zirconium diboride particles, or titanium diboride particles, the gettering particles include at least one alloyed metal silicide, wherein the matrix is SiO2, and wherein the at least one alloyed metal silicide has first and second different metal components, and the first and second different metal components have a lower oxygen affinity than silicon affinity.