Effect of Humidity on the Tribological Properties of Carbide-Derived Carbon (CDC) Films on Silicon Carbide

Effect of Humidity on the Tribological Properties of Carbide-Derived Carbon (CDC) Films on Silicon Carbide

The effect of humidity on the tribological behavior of carbide-derived carbon (CDC) films prepared by high-temperature chlorination of silicon carbide was examined. Pin-on-disk tribological tests indicate that CDC, unlike graphite or glassy carbon, performs better in dry nitrogen (less than 0.05 fri...

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Veröffentlicht in:Tribology Lett 2003-07, Vol.15 (1), p.51-55
Hauptverfasser: Carroll, B, Gogotsi, Y, Kovalchenko, A, Erdemir, A, McNallan, MJ
Format: Artikel
Sprache:eng
Schlagworte:
CARBON
Coefficient of friction
ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
Glassy carbon
High temperature
HUMIDITY
Silicon carbide
SILICON CARBIDES
TRIBOLOGY
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Zusammenfassung:The effect of humidity on the tribological behavior of carbide-derived carbon (CDC) films prepared by high-temperature chlorination of silicon carbide was examined. Pin-on-disk tribological tests indicate that CDC, unlike graphite or glassy carbon, performs better in dry nitrogen (less than 0.05 friction coefficient at 0% humidity) than in humid air. This versatility is explained by the onion-like structure of the nanoporous CDC coating.
ISSN:1023-8883
1573-2711
DOI:10.1023/A:1023508006745