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Lubricants 2013, 1(2), 22-47; doi:10.3390/lubricants1020022

Nanotribological Behavior of Carbon Based Thin Films: Friction and Lubricity Mechanisms at the Nanoscale

Department of Chemical Engineering 9 Heroon, National Technical University of Athens, Polytechneiou Street, Zografos, Athens GR-15780, Greece
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Received: 31 December 2012 / Revised: 28 January 2013 / Accepted: 1 March 2013 / Published: 2 April 2013
(This article belongs to the Special Issue Nanotribology and Atomic Mechanisms of Friction)
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Abstract

The use of materials with very attractive friction and wear properties has raised much attention in research and industrial sectors. A wide range of tribological applications, including rolling and sliding bearings, machining, mechanical seals, biomedical implants and microelectromechanical systems (MEMS), require thin films with high mechanical strength, chemical inertness, broad optical transparency, high refractive index, wide bandgap excellent thermal conductivity and extremely low thermal expansion. Carbon based thin films like diamond, diamond-like carbon, carbon nitride and cubic boron nitride known as “super-hard” material have been studied thoroughly as the ideal candidate for tribological applications. In this study, the results of experimental and simulation works on the nanotribological behavior of carbon films and fundamental mechanisms of friction and lubricity at the nano-scale are reviewed. The study is focused on the nanomechanical properties and analysis of the nanoscratching processes at low loads to obtain quantitative analysis, the comparison obtain quantitative analysis, the comparison of their elastic/plastic deformation response, and nanotribological behavior of the a-C, ta-C, a-C:H, CNx, and a-C:M films. For ta-C and a-C:M films new data are presented and discussed. View Full-Text
Keywords: amorphous carbon films; nanocomposites; nanoindentation; friction; nanotribology; lubricity; wear; molecular dynamics amorphous carbon films; nanocomposites; nanoindentation; friction; nanotribology; lubricity; wear; molecular dynamics
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Charitidis, C.A.; Koumoulos, E.P.; Dragatogiannis, D.A. Nanotribological Behavior of Carbon Based Thin Films: Friction and Lubricity Mechanisms at the Nanoscale. Lubricants 2013, 1, 22-47.

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