The friction and wear of ceramic/ceramic and ceramic/metal combinations in sliding contact
Journal Article
·
· Journal of the Society of Tribologists and Lubrication Engineers; (United States)
OSTI ID:6949505
- NASA Lewis Research Center, Cleveland, OH (United States)
The tribological characteristics of ceramics sliding on ceramics are compared to those of ceramics sliding on a nickel-based turbine alloy. The friction and wear of oxide ceramics and silicon-based ceramics in air at temperatures from room ambient to 900 C (in a few cases to 1200 C) were measured for a hemispherically-tipped pin on a flat sliding contact geometry. In general, especially at high temperature, friction and wear were lower for ceramic/metal combinations than for ceramic/ceramic combinations. The better tribological performance for ceramic/metal combinations is attributed primarily to the lubricious nature of the oxidized surface of the metal.
- Research Organization:
- National Aeronautics and Space Administration, Cleveland, OH (United States). Lewis Research Center
- OSTI ID:
- 6949505
- Journal Information:
- Journal of the Society of Tribologists and Lubrication Engineers; (United States), Journal Name: Journal of the Society of Tribologists and Lubrication Engineers; (United States) Vol. 50:7; ISSN XZ3262
- Country of Publication:
- United States
- Language:
- English
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