Frictional characteristics of carbon nano-tube powders were measured and compared with those of conventional solid lubricants, MoS2 and graphite. In linear one way sliding tests, a multi-wall CNT showed similar coefficient of friction with graphite. It was also showed that the larger the particle sizes, the smaller the COF for those powders. A sliding model considering CNT geometry was proposed.
Volume Subject Area:
Surface Engineering and Coatings
Topics:
Carbon nanotubes,
Graphite,
Carbon,
Friction,
Geometry,
Lubricants,
Nanotubes,
Particulate matter
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Copyright © 2005
by ASME
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