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The friction and wear of ceramic/ceramic and ceramic/metal combinations in sliding contactThe 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.
Document ID
19950028446
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Sliney, Harold E.
(NASA Lewis Research Center Cleveland, OH, United States)
Dellacorte, Christopher
(NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
August 16, 2013
Publication Date
July 1, 1994
Publication Information
Publication: Journal of the Society of Tribologists and Lubrication Engineers
Volume: 50
Issue: 7
Subject Category
Inorganic And Physical Chemistry
Accession Number
95A60045
Distribution Limits
Public
Copyright
Other

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