Observation of Thermophysical and Tribological Properties of CNT Reinforced Si3N4


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Thermophysical and tribological measurements have been performed on carbon nanotube added silicon nitride composites. Higher thermal conductivity values were observed in the case of the sample with CNT than for the reference sample. As was observed from tribological measurements, nanocomposite Si3N4 without carbon nanotubes shows a higher friction coefficient than carbon nanotube - Si3N4. The results of wear study indicate that the Si3N4 ball (used as static partner) was more damaged with MWCNTs addition nanocomposite than with pure Si3N4 ceramic. A pronounced difference was observed in the wear rate: there was a much higher wear for carbon nanotube - Si3N4 than for Si3N4 without MWCNTs.



Edited by:

J. Dusza, R. Danzer, R. Morrell and G.D. Quinn






O. Koszor et al., "Observation of Thermophysical and Tribological Properties of CNT Reinforced Si3N4", Key Engineering Materials, Vol. 409, pp. 354-357, 2009

Online since:

March 2009




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