Tribological Properties and Self-Repairing Effect of Palygorskite /Copper Nanocomposites as Lubricating Oil Additive

Abstract:

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Palygorskite/copper nanocomposites were prepared in order to study the friction behaviour and self-repairing effect of HT200 tribopair. The friction and wear behaviors of the lubricant oil containing 4wt% nanocomposites were evaluated on an MMU-10G abrasive-wear tester. Results indicated that the average size of nanoparticles is 200nm and nanoparticle disperses homogeneously. The nanocomposites significantly improve the anti-wear performance.Wear mass loss decreases 41.7%and 63.2% compared with nano-palygoeskite and no additive.SEM and EDX examination of worn surfaces show that the incorporation of nano-copper and nano-palygorskite promote the formation of enriched films which play beneficial role for improving the wear properties.

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Periodical:

Edited by:

Ran Chen

Pages:

219-223

DOI:

10.4028/www.scientific.net/MSF.694.219

Citation:

X. M. Wu et al., "Tribological Properties and Self-Repairing Effect of Palygorskite /Copper Nanocomposites as Lubricating Oil Additive", Materials Science Forum, Vol. 694, pp. 219-223, 2011

Online since:

July 2011

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$35.00

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