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Elastohydrodynamic lubrication at impact loading
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0001-9110-2819
1994 (English)In: Journal of tribology, ISSN 0742-4787, E-ISSN 1528-8897, Vol. 116, no 4, p. 770-776Article in journal (Refereed) Published
Abstract [en]

The case of a ball impacting a flat lubricated surface is investigated theoretically. This case implies transient conditions and the lubricating effect is due to pure squeeze action in the contact. Results of the analysis show that increasing the velocity, increases the minimum value of film thickness achieved during the total impact time. The damping capacity of the lubricating film is very high at low impact velocity and small ball mass. Thickness of lubricant layer has little effect on the results if it is thicker than certain critical values. If the pressure-viscosity coefficient is increased, the film becomes thicker

Place, publisher, year, edition, pages
1994. Vol. 116, no 4, p. 770-776
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Research subject
Machine Elements
Identifiers
URN: urn:nbn:se:ltu:diva-3248DOI: 10.1115/1.2927331ISI: A1994PN73800018Scopus ID: 2-s2.0-0028531724Local ID: 10ded9f0-c0b7-11db-834c-000ea68e967bOAI: oai:DiVA.org:ltu-3248DiVA, id: diva2:976104
Note
Godkänd; 1994; 20070214 (rola)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Larsson, RolandHöglund, Erik

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