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Micro-tribological performance of fullerene-like carbon and carbon-nitride surfaces
CONACYT-Instituto de Física, Benemérita Universidad Autónoma de Puebla, Apdo. Post. J-48, Puebla, Pue, Mexico.
Linköping University, Department of Physics, Chemistry and Biology, Thin Film Physics. Linköping University, The Institute of Technology.
Linköping University, Department of Physics, Chemistry and Biology, Thin Film Physics. Linköping University, Faculty of Science & Engineering. School of Materials, Faculty of Science and Engineering, The University of Manchester, Manchester, United Kingdom.
Department of Chemical Engineering, Carnegie Mellon University, Pittsburgh, PA, USA.
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2018 (English)In: Tribology International, ISSN 0301-679X, E-ISSN 1879-2464, Vol. 128, p. 104-112Article in journal (Refereed) Published
Abstract [en]

We studied the microtribological behavior of amorphous and fullerene-like (FL) carbon and carbon-nitride coatings deposited by filtered-cathodic-arc. All films show similar friction coefficients but different wear mechanisms. The FL films exhibit a surface swelling with the formation of a layer that thickens during the test, limiting wear and maintaining a low friction. X-ray photoelectron spectroscopy on worn FL film surfaces show an increase in the sp(2)-content, indicating that the lubricious layer generated by the wear process is probably the result of re-hybridization due to plasticity induced by localized shear. In contrast, the wear results of the amorphous films, involving tribomechanical and tribochemical surface phenomena, show that the surface layer formed during sliding is a precursor to the onset of wear.

Place, publisher, year, edition, pages
Pergamon Press, 2018. Vol. 128, p. 104-112
Keywords [en]
Fullerene-like films; Microtribology; Carbon-nitride films; Carbon films
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Identifiers
URN: urn:nbn:se:liu:diva-151760DOI: 10.1016/j.triboint.2018.07.009ISI: 000444929200010Scopus ID: 2-s2.0-85050145167OAI: oai:DiVA.org:liu-151760DiVA, id: diva2:1254182
Note

Funding Agencies|Swedish Government Strategic Research Area in Materials Science on Functional Materials at Linkoping University (Faculty Grant SFO Mat LiU) [2009 00971]; SSF synergy grant FUNCASE; COST Action [MP1303]; FOINS - CONACYT Project [2016-01-2488]; VIEP-BUAP Projects

Available from: 2018-10-08 Created: 2018-10-08 Last updated: 2018-10-17Bibliographically approved

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Broitman, Esteban

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Tucker, MarkBakoglidis, KonstantinosHultman, LarsRosén, JohannaBroitman, Esteban
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Tribology (Interacting Surfaces including Friction, Lubrication and Wear)

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