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Study of lubricated impact using optical interferometry
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0001-9110-2819
1995 (English)In: Wear, ISSN 0043-1648, E-ISSN 1873-2577, Vol. 190, no 2, p. 184-189Article in journal (Refereed) Published
Abstract [en]

An experimental study of lubricated impacts between a steel ball and a flat glass surface has been performed. The experimental set-up consists of a Ø70 mm ball mounted on a pendulum which impacts onto a lubricated glass disc. The contact region is studied by means of optical interferometry using a monochromatic light source, a microscope and a high-speed video recording equipment. The lubricants are of PAO type and the viscosity ranges from 27 to 2600 mm2 s-1 at the test temperature. The impact velocity is varied between 0.08 and 0.29 m s-1. A dimple occurs at the centre of the contact where the lubricant is trapped. The influence of viscosity and impact velocity on the dimple's depth and diameter is studied.

Place, publisher, year, edition, pages
1995. Vol. 190, no 2, p. 184-189
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Research subject
Machine Elements
Identifiers
URN: urn:nbn:se:ltu:diva-16241DOI: 10.1016/0043-1648(96)80016-0ISI: A1995TM40400007Scopus ID: 2-s2.0-0029544528Local ID: fda78dd0-c0bd-11db-834c-000ea68e967bOAI: oai:DiVA.org:ltu-16241DiVA, id: diva2:989217
Note
Godkänd; 1995; 20070214 (rola)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Larsson, RolandLundberg, Jan

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