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Boundary and elastohydrodynamic lubrication studies of glycerol aqueous solutions as green lubricants
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0001-6085-7880
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0002-8972-2944
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Chemical Engineering.ORCID iD: 0000-0002-4755-5754
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Machine Elements.ORCID iD: 0000-0002-4271-0380
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2014 (English)In: Tribology International, ISSN 0301-679X, E-ISSN 1879-2464, Vol. 69, p. 39-45Article in journal (Refereed) Published
Abstract [en]

In this paper, the boundary and elastohydrodynamic lubricating behaviour of glycerol and its aqueous solutions are discussed in both rolling and sliding contacts with a view on assessing the use of glycerol as a green lubricant. To understand the lubricating mechanism, the film thickness of glycerol and its aqueous solutions were studied at different velocities. The results show that the viscosity of glycerol can be controlled for a wide range by adding different amounts of water. The lubricating behaviour of glycerol in all lubricating regimes can be improved by adding water. The results suggest that glycerol aqueous solutions have great potential to replace rapeseed oils as environmentally friendly base oils in several applications.

Place, publisher, year, edition, pages
2014. Vol. 69, p. 39-45
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear) Chemical Process Engineering
Research subject
Machine Elements; Chemical Technology
Identifiers
URN: urn:nbn:se:ltu:diva-2609DOI: 10.1016/j.triboint.2013.08.013ISI: 000328183100005Scopus ID: 2-s2.0-84884765302Local ID: 03eb0767-f545-442e-b4d9-c0a0c77f4e93OAI: oai:DiVA.org:ltu-2609DiVA, id: diva2:975462
Note
Validerad; 2014; 20130905 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Shi, YijunMinami, IchiroGrahn, MattiasBjörling, MarcusLarsson, Roland

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