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Influence of surface roughness on normal-sliding lubrication
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.
1995 (English)In: Tribology International, ISSN 0301-679X, E-ISSN 1879-2464, Vol. 28, no 5, p. 317-322Article in journal (Refereed) Published
Abstract [en]

Contact between machine components can involve normal, sliding and rolling motion, either singly or in combination. Combined normal and sliding motion, which occur for example in the meshing of gear teeth and in heavily-loaded rolling elements, can present problems for lubrication. The purpose of the present experimental study was to investigate how surface roughness affects the lubricant film characteristics under conditions of combined normal and sliding motion. The experimental arrangement consisted of a rotating roller which impacted a stationary ball in the presence of a lubricant. Under the same conditions of normal surface approach, increasing the surface roughness significantly decreased the level of roller sliding that could occur without breakdown of the lubricating film. This behaviour was similar to a step function. Of the several surface roughness parameters investigated, only those which involved the maximum peak-to-valley height correlated well with experimental results. In general, surface roughness had a greater effect on oil film breakdown than did either viscosity or load.

Place, publisher, year, edition, pages
1995. Vol. 28, no 5, p. 317-322
National Category
Other Civil Engineering Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Research subject
Operation and Maintenance; Machine Elements
Identifiers
URN: urn:nbn:se:ltu:diva-5093DOI: 10.1016/0301-679X(94)00003-9ISI: A1995TH53500007Scopus ID: 2-s2.0-0029350986Local ID: 31c0fe90-eac9-11dc-9508-000ea68e967bOAI: oai:DiVA.org:ltu-5093DiVA, id: diva2:977967
Note
Godkänd; 1995; 20080305 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Lundberg, Jan

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  • apa
  • harvard1
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  • vancouver
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More styles
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  • de-DE
  • en-GB
  • en-US
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  • nn-NB
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  • Other locale
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Output format
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