Special Issue "Ionic Liquids: Friction and Lubrication Mechanisms"
A special issue of Lubricants (ISSN 2075-4442).
Deadline for manuscript submissions: closed (30 June 2018).
Prof. Dr. Rosa M. Espinosa-Marzal
Department of Civil and Environmental Engineering, University of Illinois at Urbana−Champaign, Urbana 61801, Illinois, USA
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Interests: friction; adhesion; lubrication; surface forces; nanotribology; tribochemistry; soft matter nanoconfinement; ionic liquids; hydrogels; surface forces apparatus
The significant influence of friction, lubrication, and wear on the efficiency and lifetime of machinery has been recognized since the mid-1960s, and the development of novel and better base oils and additives is one of the approaches chosen to improve efficiency and lifetime. The properties of surface-adsorbed and confined lubricant molecules play a key role in determining the performance of such boundary lubricants. Ionic liquids display novel self-assembling behavior at the solid–liquid interface, where they remain firmly surface-adsorbed under high normal and shear stresses. Such appealing properties have inspired increasing research efforts in the field of tribology of ionic liquids over the past fifteen years. However, it has emerged that ILs actually exhibit a rather large variability in their tribological behaviors. Although many works have demonstrated the lubricious properties of several ionic liquids, generalizations are not presently possible, as the molecular structure and chemical composition of the ionic liquid, as well as the substrate’s surface chemistry and topography, affect the properties of adsorbed films, and, in turn, the lubrication mechanisms and tribochemical reactivity.
This Special Issue will show current advances and future trends in ionic liquids in the field of tribology emphasizing the underlying friction and lubrication mechanisms. Contributions are welcome dealing with mechanisms under mild tribological conditions, as well as under high pressures and temperatures with the additional effects of tribochemical reactions.
Prof. Dr. Rosa Maria Espinosa-Marzal
Manuscript Submission Information
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- ionic liquids