US 12,247,496 B2
Internal aluminide coating for vanes and blades and method of manufacture
Rafael A. Perez Reisler, Arecibo, OR (US); Andy Turko, Southington, CT (US); Xuan Liu, Glastonbury, CT (US); Danielle E. Jencks, Rocky Hill, CT (US); Glenn A. Cotnoir, Thompson, CT (US); and Russell F. Croft, Tolland, CT (US)
Assigned to RTX Corporation, Farmington, CT (US)
Filed by RTX Corporation, Farmington, CT (US)
Filed on Oct. 13, 2023, as Appl. No. 18/379,952.
Application 18/379,952 is a division of application No. 17/882,180, filed on Aug. 5, 2022, granted, now 11,821,337.
Prior Publication US 2024/0044256 A1, Feb. 8, 2024
Int. Cl. F01D 5/28 (2006.01)
CPC F01D 5/288 (2013.01) [F05D 2220/32 (2013.01); F05D 2230/10 (2013.01); F05D 2230/30 (2013.01); F05D 2230/314 (2013.01); F05D 2230/90 (2013.01); F05D 2300/611 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A method of coating a component of a gas turbine engine, the method comprising:
applying a metallic bond coat to a first surface of a substrate;
drilling a plurality of holes through the metallic bond coat and the substrate, wherein the plurality of holes open to the first surface and an oppositely disposed second surface of the substrate, the holes defined by a plurality of respective walls each extending from the first surface to the second surface; and
applying an aluminide coating to the first surface of the substrate, the walls of the holes, and the second surface of the substrate.