Evaluation of tribological properties of vegetable oil–based ionanolubricants: An experimental study

IF 1.6 3区工程技术 Q3 ENGINEERING, MECHANICAL

Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology Pub Date : 2023-05-31 DOI:10.1177/13506501231179776

G. Kumar, H. Garg

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引用次数: 3

Abstract

Growing environment concern has forced us for the development of environmentally acceptable lubricants. In this study, tribological properties of sesame oil and castor oil containing imidazolium-based ionic liquid 1-ethyl 3methylimidazolium dicyanamide ([EMIM][DCN]) (IL1), phosphonium-based ionic liquid Trihexyltetradecylphosphonium bis(2,4,4-trimethylpentyl) phosphinate ([P66614][BTMPP]) (IL2) and titanium oxide (TiO2) nanoparticles (NPs) as hybrid additives have been investigated using four-ball tester with ASTM D4172B. Three different concentrations of IL1, IL2 and TiO2 NPs were selected for the formulation of vegetable oil–based ionanolubricants. It was found that castor oil with the addition of 0.03 ∅ of TiO2 NPs and 1.3 vol.% of IL1 shows the lowest specific wear rate amongst all investigated lubricant samples. It is evident from field emission scanning electron microscopy analysis of worn-out surfaces of steel balls that a combination of ball bearing effect and tribofilm formation is responsible for the improved tribological characteristics.

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植物油基离子润滑剂摩擦学性能的实验研究

日益增长的对环境的关注迫使我们开发环境可接受的润滑剂。本研究采用ASTM D4172B四球测试仪，研究了含咪唑基离子液体1-乙基3甲基咪唑双氰胺([EMIM][DCN]) (IL1)、磷基离子液体三己基十四烷基二(2,4,4-三甲基戊基)膦酸盐([P66614][BTMPP]) (IL2)和氧化钛(TiO2)纳米颗粒(NPs)作为杂化添加剂的芝麻油和蓖麻油的摩擦学性能。选择三种不同浓度的IL1、IL2和TiO2 NPs作为植物油基离子润滑剂。结果表明，添加0.03∅TiO2 NPs和1.3 vol.% IL1的蓖麻油比磨损率最低。对钢球磨损表面的场发射扫描电镜分析表明，钢球轴承效应和摩擦膜的形成是钢球磨损性能改善的主要原因。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 工程技术-工程：机械

CiteScore

4.20

自引率

5.00%

发文量

110

审稿时长

6.1 months

期刊介绍： The Journal of Engineering Tribology publishes high-quality, peer-reviewed papers from academia and industry worldwide on the engineering science associated with tribology and its applications. "I am proud to say that I have been part of the tribology research community for almost 20 years. That community has always seemed to me to be highly active, progressive, and closely knit. The conferences are well attended and are characterised by a warmth and friendliness that transcends national boundaries. I see Part J as being an important part of that community, giving us an outlet to publish and promote our scholarly activities. I very much look forward to my term of office as editor of your Journal. I hope you will continue to submit papers, help out with reviewing, and most importantly to read and talk about the work you will find there." Professor Rob Dwyer-Joyce, Sheffield University, UK This journal is a member of the Committee on Publication Ethics (COPE).