Ion implantation of turbine engine rotor component

Details Ion implantation of turbine engine rotor component Ion implantation of turbine engine rotor component

2003-08-05

2008-11-25

Padgett, Marianne L (Department: 1792)

Coating processes

Direct application of electrical, magnetic, wave, or...

Ion plating or implantation

C427S531000, C427S527000

Reexamination Certificate

active

07455890

ABSTRACT:
A turbine engine rotor component, such as a compressor or turbine disk or seal element, is protected from corrosion by implanting aluminum or chromium ions, or mixtures thereof, on the surface of the component. Additional metal ions, such as rare earth and reactive elements, may also be implanted on the surface of the component. The component may be heated in a nonoxidizing atmosphere at a specified temperature and time to diffuse the ions into the surface. The component is typically then heated or maintained at an elevated temperature in the presence of oxygen to form an oxide coating on the surface of the component.

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