离子液体和MoDTC添加剂对摩擦副界面含烟润滑油抗磨性能的影响

IF 2.3 3区材料科学 Q2 ENGINEERING, MECHANICAL

Surface Topography: Metrology and Properties Pub Date : 2025-12-29 DOI:10.1088/2051-672x/ae2e1d

Junjing Fan, Yan Shen, Hui Qiang, Qihang Cui, Baihong Yu, Jiujun Xu, Tongshan Zhang

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引用次数: 0

摘要

不完全燃烧产生的油烟是造成发动机润滑系统效率损失和界面失效的关键因素。为了解决由此引发的摩擦学问题，本研究系统地研究了氨基胍基离子液体（AO-IL）、二硫代氨基甲酸钼（MoDTC）及其复合配方对摩擦副在烟灰条件下抗磨损性能的增强作用及其机理。往复摩擦磨损试验表明，同时加入适量的AO-IL和MoDTC可使抗磨损时间延长145.5%。AO-IL可以占据磨损表面的活性位点。它可以改善MoDTC/二烷基二硫代磷酸锌（ZDDP）摩擦膜的薄弱区域。这有效地防止了微磨粒接触，减少了摩擦对界面的磨粒磨损，显示了AO-IL对摩擦学行为的调节作用。

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Effects of ionic liquid and MoDTC additives on the anti-wear performance of soot-containing lubricants for tribopair interface

Abstract Soot generated from incomplete combustion is a key factor causing efficiency loss and interfacial failure in engine lubrication systems. To address the tribological issues induced, this study systematically investigated the enhancement effects and mechanisms of aminoguanidine-based ionic liquid (AO-IL), molybdenum dithiocarbamate (MoDTC), and their composite formulations on the anti-scuffing capability of a tribopair under soot conditions. Reciprocating friction and wear tests demonstrated that adding appropriate amounts of AO-IL and MoDTC simultaneously can increase anti-scuffing time by up to 145.5%. AO-IL can occupy active sites on worn surfaces. It can improve the weak areas of the MoDTC/zinc dialkyldithiophosphate (ZDDP) tribofilm. This effectively prevents micro-asperity contact and reduces abrasive wear in tribopair interfaces, showing the regulatory role of AO-IL in tribological behavior.

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来源期刊

Surface Topography: Metrology and Properties Materials Science-Materials Chemistry

CiteScore

4.10

自引率

22.20%

发文量

183

期刊介绍： An international forum for academics, industrialists and engineers to publish the latest research in surface topography measurement and characterisation, instrumentation development and the properties of surfaces.