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Tribological evaluation of environmentally friendly ionic liquids derived from renewable biomaterials 被引量:8
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作者 Cheng JIANG Weimin LI +2 位作者 jingyan nian Wenjing LOU Xiaobo WANG 《Friction》 SCIE CSCD 2018年第2期208-218,共11页
Unlike most of the conventional ionic liquids(ILs) derived from non-renewable resources, five environmentally friendly ILs([Ch][AA] ILs) derived from amino acids(AAs) and choline(Ch) were synthesized using biomaterial... Unlike most of the conventional ionic liquids(ILs) derived from non-renewable resources, five environmentally friendly ILs([Ch][AA] ILs) derived from amino acids(AAs) and choline(Ch) were synthesized using biomaterials by a simple, green route: acid–base reaction of Ch and AAs. The thermal and corrosion properties, as well as viscosity, of the prepared ILs were examined. The results revealed that the anion structure of ILs plays a dominant role in their thermal and viscosity behavior. These ILs exhibited less corrosion toward copper, related to their halogen-, sulfur-, and phosphorus-free characteristics. The tribological behavior of the synthesized ILs was examined using a Schwingungs Reibung und Verschleiss tester, and the results indicated that these ILs exhibit good friction-reducing and anti-wear properties as lubricants for steel/steel contact. Results from energy-dispersive spectroscopy and X-ray photoelectron spectroscopy indicated that the good tribological properties of [Ch][AA] ILs are related to the formation of a physically adsorbed film on the metal surface during friction. 展开更多
关键词 CHOLINE amino acids ionic liquids LUBRICANT tribological behavior environmentally friendly
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Computational investigation of the lubrication behaviors of dioxides and disulfides of molybdenum and tungsten in vacuum 被引量:8
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作者 jingyan nian Liwei CHEN Weimin LIU 《Friction》 CSCD 2017年第1期23-31,共9页
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Characterizing a lubricant additive for 1,3,4-tri-(2-octyldodecyl) cyclopentane: Computational study and experimental verification
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作者 jingyan nian Yifan SI +2 位作者 Zhiguang GUO Ping GAO Weimin LIU 《Friction》 CSCD 2016年第3期257-265,共9页
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