Crown-Type Ionic Liquids as Lubricants for Steel-on-Steel System

被引：1
作者：
Dong Jiang
Litian Hu
Dapeng Feng
机构：
[1] Lanzhou Institute of Chemical physics,State Key Laboratory of Solid lubrication
[2] Chinese Academy of Science,undefined
[3] Graduate University of Chinese Academy of Sciences,undefined
来源：
Tribology Letters | 2011年 / 41卷
关键词：
Ionic liquid; Lubricant; Phosphate esters; Boundary lubrication; Friction; Wear;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A series of novel imidazolium-based crown-type phosphate ionic liquid lubricants have been designed and synthesized. Because the anions of ionic liquids are organic phosphate, crown-type ionic liquids would not corrode steel. The crown-type ionic liquids exhibit better tribological properties than conventional lubricants, which were evaluated by a ball-on-flat type Optimol-SRV oscillating friction and wear tester. The chemical compositions of the boundary films generated on the steel worn surfaces were analyzed with the use of a scanning electron microscope and X-ray photoelectron spectrometer. The results indicate that crown-type ionic liquids would generate complex lubricating films, composing organometallic polymer, polyphosphate, FePO4, Fe3O4, etc., lubricated under different loads to exhibit the friction reduction and anti-wear abilities.
引用
收藏
页码：417 / 424
页数：7
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