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Lubricant additives for improved pitting performance through a reduction of thin-film friction
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.
Afton Chemical Corporation, Richmond, VA.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0003-1454-1118
2014 (English)In: Tribology International, ISSN 0301-679X, E-ISSN 1879-2464, Vol. 80, p. 122-130Article in journal (Refereed) Published
Abstract [en]

This paper describes an investigation into possibilities of enhancement of pitting lives of rolling components by using additive combinations with low thin-film friction. Various viscosity index improvers, anti-wear and extreme-pressure additive combinations were analysed in terms of their frictional behaviour, which in turn was compared to the oils pitting lives. For the pitting studies, a rolling four-ball test was employed. Friction was measured using a ball on disc machine as well as indirectly through “near contact” temperature measurements performed during rolling four-ball tests. The results show that additive combinations that result in low friction at the specific running condition can enhance pitting performance

Place, publisher, year, edition, pages
2014. Vol. 80, p. 122-130
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Research subject
Machine Elements
Identifiers
URN: urn:nbn:se:ltu:diva-9488DOI: 10.1016/j.triboint.2014.06.021ISI: 000343391700014Scopus ID: 2-s2.0-84905587945Local ID: 821621e7-e123-4cc6-9790-fc88dc245673OAI: oai:DiVA.org:ltu-9488DiVA, id: diva2:982426
Note
Validerad; 2014; 20140811 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Johansson, JensPrakash, Braham

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