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Titanium carbide coatings for aerospace ball bearingsIn conventional ball bearings, steel to steel contacts between the balls and the raceways are at the origin of microwelds which lead to material transfer, surface roughening, lubricant breakdown, and finally to a loss in the bearing performances. To minimize the microwelding tendencies of the contacting partners it is necessary to modify their surface materials; the solid to solid collisions themselves are difficult to avoid. The use of titanium carbide coated steel balls can bring spectacular improvements in the performances and lifetimes of both oil-grease lubricated and oil-grease free bearings in a series of severe applications.
Document ID
19880012102
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Boving, Hans J. (Swiss Center for Electronics and Microtechnology Inc., Neuchatel, Switzerland)
Haenni, Werner (Swiss Center for Electronics and Microtechnology Inc., Neuchatel, Switzerland)
Hintermann, HANS-E. (Swiss Center for Electronics and Microtechnology Inc., Neuchatel, Switzerland)
Date Acquired
September 5, 2013
Publication Date
May 1, 1988
Publication Information
Publication: NASA. Langley Research Center, The 22nd Aerospace Mechanisms Symposium
Subject Category
Nonmetallic Materials
Accession Number
88N21486
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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