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Rolling performance of carbon nitride-coated bearing components in different lubrication regimes
Linköping University, Department of Physics, Chemistry and Biology, Thin Film Physics. Linköping University, Faculty of Science & Engineering. SKF Engineering and Research Centre, Tribology and Lubrication Department, Nieuwegein, The Netherlands.
SKF Engineering and Research Centre, Tribology and Lubrication Department, Nieuwegein, The Netherlands.
Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0003-1000-0437
SKF Engineering and Research Centre, Tribology and Lubrication Department, Nieuwegein, The Netherlands.
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2017 (English)In: Tribology International, ISSN 0301-679X, E-ISSN 1879-2464, Vol. 114, 141-151 p.Article in journal (Refereed) Published
Abstract [en]

The performance of carbon nitride (CN) coated roller bearings is investigated, using a micropitting rig. The rolling performance is evaluated using Stribeck test, with a continuously varying rolling speed (0.2 - 2 m/s). Rolling contact fatigue tests with constant speeds (0.5, 1, 2, and 3.5 m/s) are also conducted in order to study the high-cycle performance of the rollers. The obtained Stribeck curve shows that the presence of coatings eliminates run-in, resulting in low friction coefficients (similar to 0.08). Raman spectroscopy, performed at the wear tracks, reveals that CNx maintain stable chemical state. Coatings show abrasion although the wear rate is not detrimental for the performance of the rollers, since a CNx to-steel contact is retained during the entire rolling contact fatigue test.

Place, publisher, year, edition, pages
Pergamon Press, 2017. Vol. 114, 141-151 p.
Keyword [en]
Coating; Boundary lubrication; Mixed/Elastohydrodynamic lubrication; Roller Bearings
National Category
Tribology
Identifiers
URN: urn:nbn:se:liu:diva-139515DOI: 10.1016/j.triboint.2017.04.006ISI: 000404815600015Scopus ID: 2-s2.0-85017603262OAI: oai:DiVA.org:liu-139515DiVA: diva2:1130199
Note

Funding Agencies|VINN Excellence Center Functional Nanoscale Materials (FunMat) [2005-02666]; Swedish Foundation for Strategic Research through Synergy Grant FUNCASE [RMA11-0029]; Carl Tryggers Foundation for Scientific Research [CTS 14:431]

Available from: 2017-08-08 Created: 2017-08-08 Last updated: 2017-08-17Bibliographically approved

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Bakoglidis, KonstantinosIvanov, Ivan GueorguievJanzén, ErikGreczynski, GrzegorzHultman, Lars
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CiteExportLink to record
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