Wear Behavior of ZrO2-CNF and Si3N4-CNT Nanocomposites

Abstract:

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Tribological behavior of ZrO2 and Si3N4 based nanocomposites with addition of carbon nanofibres and nanotubes has been studied by the pin-on-disc technique. Friction coefficients were measured and recorded, wear rates were calculated in terms of material volume loss per load and sliding distance. The wear damage was studied using optical and electron microscopy and its mechanisms were identified. In monolithic materials the dominant wear mechanism was abrasion, in composites with CNF and with higher volume fraction of CNTs (5 and 10%) fiber pull-out and lubricating by the carbon phases occurred.

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Periodical:

Edited by:

Pavel Šandera

Pages:

495-498

DOI:

10.4028/www.scientific.net/KEM.465.495

Citation:

P. Hvizdoš et al., "Wear Behavior of ZrO2-CNF and Si3N4-CNT Nanocomposites", Key Engineering Materials, Vol. 465, pp. 495-498, 2011

Online since:

January 2011

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$35.00

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