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Tribological Compatibility of Some Selected Pb-Free Engine Bearing Materials with Different Engine Oil Formulations
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0003-2705-9195
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0003-1162-4671
Austrian Excellence Center for Tribology (AC2T).
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0003-1454-1118
2018 (English)In: Tribology Online, ISSN 1881-2198, Vol. 13, no 3, p. 91-100Article in journal (Refereed) Published
Abstract [en]

In this study, friction and wear properties of Al-Sn based bearing alloy with no overlay, bronze lining coated with Al-Sn based overlay and PAI based overlay, bronze lining coated with Sn based overlay and Pb-containing bearing material have been investigated using five different engine oil formulations including pure PAO 6 base oil and different viscosity grade oils containing anti-wear additive using an Optimol SRV® high-temperature reciprocating friction and wear test machine. It has been found that when Al-Sn based lining is lubricated with plain base oil, wear is lower compared to those with oils containing additives. For the other bearing materials, oils containing additives have shown improved friction and wear performance compared with that of the pure base oil.

Place, publisher, year, edition, pages
Japanese Society of Tribologists , 2018. Vol. 13, no 3, p. 91-100
Keywords [en]
boundary lubrication, anti-wear additive, engine bearings, Pb-free
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Research subject
Machine Elements
Identifiers
URN: urn:nbn:se:ltu:diva-70151DOI: 10.2474/trol.13.91ISI: 000458275100004Scopus ID: 2-s2.0-85054004551OAI: oai:DiVA.org:ltu-70151DiVA, id: diva2:1234203
Available from: 2018-07-23 Created: 2018-07-23 Last updated: 2019-03-08Bibliographically approved

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Gebretsadik, DanielHardell, JensPrakash, Braham

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