| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for surface treating a titanium gas turbine engine component. SOLUTION: The method includes providing a gas turbine engine component having a titanium-containing surface. The component is heated to a temperature sufficient to diffuse carbon into the titanium and below 1000°F. The surface is contacted with a carbon-containing gas to diffuse carbon into the surface to form carbides. Thereafter, the carbide-containing surface is coated with a lubricant comprising a binder and a friction modifier. The binder preferably includes a titanium oxide and the friction modifier preferably includes a tungsten disulfide. The coefficient of friction between the surface and another titanium-containing surface is less than about 0.6 in high altitude atmospheres. COPYRIGHT: (C)2007,JPO&INPIT |
