Surface Protection of Aircraft Brake Pressure Plates
Agency / Branch:
DOD / USAF
The objective of this work is to develop and demonstrate a novel surface engineering concept for protection of Aircraft Brake Pressure Plates. Carbon-made aircraft breaking system components experience increased service temperatures and, when swiped by the temp stick, chemically react with the crayon and, as a result, heavily oxidize and deteriorate. PVD-based technique is used in many industries to apply diffusion-type coatings engineering the material surface to comply with stringent operating conditions. This technique will be further investigated and developed to demonstrate its ability to generate protective diffusion coating in the surface of aircraft carbon brakes without changing their physical dimensions and with the goal to prevent rapid oxidation and subsequent failure of the pressure plates. It will provide elevated resistance to impacts from chemical reaction as well as wear from contaminants and deicing materials and ensure unaltered material characteristics of the carbon-carbon composite construction and longer time periods between maintenance cycles.
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ADVANCED GLOBAL SERVICES
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