US 12,304,614 B2
Composite airfoil assembly and method of forming a composite airfoil assembly
Elzbieta Kryj-Kos, Liberty Township, OH (US); Nicholas Joseph Kray, Mason, OH (US); Tod Winton Davis, Cincinnati, OH (US); and Gary Willard Bryant, Jr., Loveland, OH (US)
Assigned to General Electric Company, Evendale, OH (US)
Filed by GENERAL ELECTRIC COMPANY, Schenectady, NY (US)
Filed on Jun. 13, 2023, as Appl. No. 18/333,743.
Prior Publication US 2024/0417063 A1, Dec. 19, 2024
Int. Cl. F01D 5/28 (2006.01); B64C 11/26 (2006.01)
CPC B64C 11/26 (2013.01) [F01D 5/282 (2013.01); F05D 2230/23 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A composite airfoil assembly for a gas turbine engine, the composite airfoil assembly comprising:
a core comprising a composite structure defining a core exterior;
a skin having a skin interior surface coupled to at least a portion of the core exterior, and a skin outer surface; and
a cladding having a cladding interior surface coupled to the skin outer surface, wherein at least a portion of the cladding interior surface has an arithmetic average roughness (Ra) of at least 100, wherein the cladding includes a first cladding having a first interior surface and a second cladding having a second interior surface, where the arithmetic average roughness (Ra) of the first interior surface is different than the arithmetic average roughness (Ra) of the second interior surface.