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Grease passing through an elastohydrodynamic contact under pure rolling conditions
Luleå tekniska universitet.
SKF Göteborg.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0001-9110-2819
2000 (English)In: Proceedings of the Institution of mechanical engineers. Part J, journal of engineering tribology, ISSN 1350-6501, E-ISSN 2041-305X, Vol. 214, no 4, p. 309-316Article in journal (Refereed) Published
Abstract [en]

Using optical interferometry in a standard ball-and-disc apparatus and a high-speed video camera with light enhancer, thickener particles entering a grease-lubricated elastohydrodynamic (EHD) contact were traced as they passed through the contact in pure rolling. In previous studies, it has not been possible to track specific particles but, due to the short exposure time and high recording rates used here, sharp images of a passing particle could be captured. Two greases, based on the same synthetic poly(α-olefin) but thickened with Li-12-OH and lithium complex respectively were studied and for a freshly lubricated track it could be documented that the lithium complex thickener causes fewer, but larger, particles to pass the contact. The influence of the base oil bleeding on film formation is also discussed in the paper

Place, publisher, year, edition, pages
2000. Vol. 214, no 4, p. 309-316
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Research subject
Machine Elements
Identifiers
URN: urn:nbn:se:ltu:diva-9192DOI: 10.1243/1350650001543197ISI: 000089181000001Local ID: 7c07db10-b783-11db-abff-000ea68e967bOAI: oai:DiVA.org:ltu-9192DiVA, id: diva2:982130
Note
Validerad; 2000; 20070208 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Larsson, Roland

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Tribology (Interacting Surfaces including Friction, Lubrication and Wear)

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