US 12,215,865 B2
Thermally stable thin-film reflective coating and coating process
Tianli Zhu, Glastonbury, CT (US); Richard Wesley Jackson, III, Mystic, CT (US); John A. Sharon, West Hartford, CT (US); James T. Beals, West Hartford, CT (US); and Brian T. Hazel, Avon, CT (US)
Assigned to RTX Corporation, Farmington, CT (US)
Filed by Raytheon Technologies Corporation, Farmington, CT (US)
Filed on Apr. 5, 2022, as Appl. No. 17/714,064.
Prior Publication US 2023/0313993 A1, Oct. 5, 2023
Int. Cl. F23R 3/00 (2006.01)
CPC F23R 3/007 (2013.01) [F05D 2230/31 (2013.01); F05D 2260/231 (2013.01); F05D 2300/143 (2013.01); F05D 2300/21 (2013.01); F05D 2300/504 (2013.01); F05D 2300/608 (2013.01); F05D 2300/611 (2013.01); F23R 2900/00018 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A gas turbine engine component, comprising:
a substrate;
a thermal barrier coating on the substrate having a porous microstructure;
a reflective layer conforming to the porous microstructure of the thermal barrier coating, wherein the reflective layer comprises a reflective platinum group metal selected from the group consisting of platinum group metal intermetallic compounds; and
a capping layer on the reflective layer and the thermal barrier coating.