F - Mech Eng,Light,Heat,Weapons – 02 – C
Patent
F - Mech Eng,Light,Heat,Weapons
02
C
F02C 7/30 (2006.01) C23F 13/00 (2006.01) F01D 5/28 (2006.01) F02C 7/36 (2006.01)
Patent
CA 2725932
Disclosed herein is a method for inhibiting corrosion of a high strength steel turbine component (1) subject to rotary stress. The method comprises applying a sacrificial overlay coating material (4) to at least a portion of a surface of the component (1) to form a protected component, and applying a seal material to at least a portion of the protected component to form a seal coat having a temperature resistance of greater than about 500 °F. Also disclosed herein is a turbine component (1) and corresponding engine protected by the method. Further provided is a method for repairing a high strength steel component of a turbofan engine. These methods are capable of inhibiting at least one of stress corrosion cracking or surface pitting of the turbine component (1) after exposure to corrosive water.
Groh Jon Raymond
Kauffung Thomas Allen
Rhoads Mark Alan
Company General Electric
Craig Wilson And Company
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