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Surface characterization with functional parameters
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0001-6877-9282
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0001-7029-1112
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2011 (English)Conference paper, Oral presentation only (Other academic)
Abstract [en]

Typically engineering surfaces are characterized with traditional roughness parameters that perform some type of height averaging over the surface. Although these parameters describe the topography of the surface none of them necessarily describe the ability of the surface to carry out its function in a tribological contact. In this study an ICE cylinder liner has been investigated.The traditional Rk parameters (based on the Abbott curve) have been calculated as well as functional ‘flow factors’which modify the Reynolds equation to incorporate the effects of surface topography.To calculate flow factors the homogenization technique has been implemented and a full 3D contact mechanics model has been incorporated so that surface functionality in mixed lubrication can be studied. Furthermore, the cylinder liner surface has been measured with both white light interferometery and an AFM so that the effect of measuring technique on roughness and functional parameters can be investigated.

Place, publisher, year, edition, pages
2011.
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear) Other Physics Topics
Research subject
Machine Elements; Fysik
Identifiers
URN: urn:nbn:se:ltu:diva-40535Local ID: fb64c41a-662b-4754-bd19-0c780b32f6b7OAI: oai:DiVA.org:ltu-40535DiVA: diva2:1014057
Conference
Society of Tribologists and Lubrication Engineers (STILE) annual meeting & exhibition : 15/05/2011 - 19/05/2011
Note
Godkänd; 2011; 20111213 (spencer)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2017-11-25Bibliographically approved

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CiteExportLink to record
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Citation style
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