Sliding Contact Wear Surfaces Coated with PTFE/Aluminum Oxide Thermal Spray Coating

摘要

A method of applying a wear-resistant coating to aluminum sliding contact wear surfaces is disclosed. The method includes providing a plurality of parts having sliding contact wear surfaces and thermal spray coating at least one of a composite aluminum oxide and PTFE or a blend of aluminum oxide and PTFE. The disclosed method may be used to repair aluminum parts subject to sliding contact wear as well as in the design of new aluminum parts subject to sliding contact wear. Improved compressor bleed valves for gas turbine engines and improved fan exit case assemblies are also disclosed.

主权项

1. A method of applying a wear-resistant coating to sliding contact wear surfaces, the method comprising:
Providing at least one part having at least one sliding contact wear surface; thermal spray coating at least one of a composite of aluminum oxide and polytetrafluoroethylene (PTFE) or a blend of aluminum oxide and PTFE on the sliding contact wear surface.