María-Dolores Avilés, Tomás Caparros, Paloma Mostaza, María-Dolores Bermúdez, Francisco J. Carrión-Vilches
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引用次数: 0
摘要
研究了基于经离子液体二乙基甲基铵甲烷磺酸盐（IL）改性的植物鳄梨油的新型生物润滑剂。在针盘配置下的金属陶瓷摩擦对中研究了含有 1 wt% IL 的纯鳄梨油 (Av) 和环氧化鳄梨油 (EAv)。EAv+ 1 %IL 油的摩擦学性能最佳，粘度更高，摩擦系数和磨损率分别比纯润滑油低 74.5 % 和 98.8 %。使用 X 射线光电子能谱确认了磨损轨迹内存在 IL 和环氧化油三膜。这些结果凸显了离子液体作为生物润滑油高效添加剂的潜在用途。
Novel biolubricants based on vegetable avocado oils modified by the ionic liquid diethylmethylammonium methanesulfonate (IL), were investigated. Neat (Av) and epoxidized avocado (EAv) oils with 1 wt% IL were studied in a metal-ceramic tribopair under pin-on-disc configuration. The best tribological performance was found for the EAv+ 1 %IL oil, with higher viscosity, and friction coefficient and wear rate up to 74.5 % and 98.8 % lower than that of neat lubricants. The presence of IL and epoxidized oil tribofilm inside the wear tracks was confirmed using X-ray photoelectronic spectroscopy. These results highlight the potential use of ionic liquids as efficient additives in biolubricant oils.
期刊介绍：
Tribology is the science of rubbing surfaces and contributes to every facet of our everyday life, from live cell friction to engine lubrication and seismology. As such tribology is truly multidisciplinary and this extraordinary breadth of scientific interest is reflected in the scope of Tribology International.
Tribology International seeks to publish original research papers of the highest scientific quality to provide an archival resource for scientists from all backgrounds. Written contributions are invited reporting experimental and modelling studies both in established areas of tribology and emerging fields. Scientific topics include the physics or chemistry of tribo-surfaces, bio-tribology, surface engineering and materials, contact mechanics, nano-tribology, lubricants and hydrodynamic lubrication.
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