US 12,031,226 B2
Nickel phosphorous coating
Lei Jin, Unionville, CT (US)
Assigned to RTX Corporation, Farmington, CT (US)
Filed by Raytheon Technologies Corporation, Farmington, CT (US)
Filed on Jun. 3, 2022, as Appl. No. 17/831,677.
Prior Publication US 2023/0392276 A1, Dec. 7, 2023
Int. Cl. F01D 5/28 (2006.01); C25D 3/56 (2006.01); C25D 5/00 (2006.01); C25D 5/50 (2006.01); C25D 7/00 (2006.01); C25D 7/10 (2006.01); F02C 7/06 (2006.01); F02C 7/30 (2006.01)
CPC C25D 5/615 (2020.08) [C25D 3/562 (2013.01); C25D 5/50 (2013.01); C25D 7/00 (2013.01); C25D 7/10 (2013.01); F02C 7/06 (2013.01); F02C 7/30 (2013.01); F05D 2230/90 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An article for a gas turbine engine, comprising:
a substrate, and
a nickel phosphorous coating disposed on the substrate, the nickel phosphorus coating having a columnar microstructure, wherein the coating includes at least one region of pure nickel interspersed with columns of the columnar microstructure.