George Totten - Google Scholar CitationsJournal of Friction and Wear. The results of tallow-based lubricant composites modified by functional additives and nanoparticles of thermally expanded graphite and graphene are presented. Improvement of tribotechnical characteristics of lubricant composites in comparison to basic lubricants via addition of nanoparticles is determined. Unable to display preview. Download preview PDF. Skip to main content.
Non-halogenated Ionic Liquid Dramatically Enhances Tribological Performance of Biodegradable Oils
It is demonstrated that a phosphonium orthoborate ionic liquid may serve as a wear reducing additive in biodegradable oils at steel-steel surfaces in the boundary lubrication regime. Tribological tests were performed in a ball-on-three plate configuration. The mounting pressure for a transition from mineral to biodegradable oils in many industrial applications implies a number of technological challenges. One of them is to identify the next generation of wear reducing additives. Most current anti-wear additives, such as zinc dialkyldithiophosphates ZDDP and tricresyl phosphates TCP , were developed in late s for use with mineral oils. Despite their good wear reducing properties for lubricated steel-steel contacts Martin, ; Fujita and Spikes, , there are environmental concerns regarding the use of ZDDP and TCP.
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