Frictional behaviour of imidazolium sulfate ionic liquid additives under mixed slide-to-roll conditions
Pejaković, Vladimir (Author), Igartua, Amaya (Author), Kalin, Mitjan (Author)

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Current work presents the investigation of frictional behaviour of ionic liquid lubricant mixtures under mixed slide to roll ratio. On the contrary to the previous study, which focuses on determination of the most suitable ionic liquid additive for identical ionic liquid weight concentration in lubricant mixture, this work had two scopes. The first one was to determine the optimal chemical composition of ionic liquid additive by investigating the lubricant mixtures with identical molar ratio, and the second one, to optimise additive concentration for certain ionic liquid structure. The changes were observed by two means. Namely, in frictional behaviour, ionic liquid concentration plays significant role. On the contrary, for the mixtures with identical molar concentration, the chemical structures with longer alkyl substituent do not always exhibit improvement. Experiments also revealed correlation between ionic liquid structures, concentration and wear. Atomic force microscopy (AFM) analysis of worn surfaces confirmed the above statements.

Keywords:friction, ionic liquid, additives, MTM, AFM
Work type:Article (dk_c)
Tipology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Number of pages:str. 489-503
Numbering:Vol. 27, iss. 8
ISSN on article:0954-0075
DOI:10.1002/ls.1292 Link is opened in a new window
COBISS.SI-ID:13929755 Link is opened in a new window
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Record is a part of a journal

Title:Lubrication science
Shortened title:Lubr. sci.
Publisher:Leaf Coppin
COBISS.SI-ID:2144539 This link opens in a new window

Document is financed by a project

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije (ARRS)
Project no.:P2-0231

Secondary language

Keywords:trenje, ionska tekočina, aditivi, hrapavost, topografija

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