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Lubricants 2014, 2(2), 44-65; doi:10.3390/lubricants2020044

Graphite and Hybrid Nanomaterials as Lubricant Additives

Department of Chemical and Process Engineering, University of Strathclyde, James Weir Building, 75, Montrose Street, Glasgow G1 1XJ, UK
* Author to whom correspondence should be addressed.
Received: 3 January 2014 / Revised: 3 March 2014 / Accepted: 7 March 2014 / Published: 24 April 2014
(This article belongs to the Special Issue Additives for Lubricants)
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Lubricant additives, based on inorganic nanoparticles coated with organic outer layer, can reduce wear and increase load-carrying capacity of base oil remarkably, indicating the great potential of hybrid nanoparticles as anti-wear and extreme-pressure additives with excellent levels of performance. The organic part in the hybrid materials improves their flexibility and stability, while the inorganic part is responsible for hardness. The relationship between the design parameters of the organic coatings, such as molecular architecture and the lubrication performance, however, remains to be fully elucidated. A survey of current understanding of hybrid nanoparticles as lubricant additives is presented in this review.
Keywords: hybrid; nanoparticle; lubricant; additives; friction hybrid; nanoparticle; lubricant; additives; friction
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Zhang, Z.J.; Simionesie, D.; Schaschke, C. Graphite and Hybrid Nanomaterials as Lubricant Additives. Lubricants 2014, 2, 44-65.

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