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

被引：7
作者：
Kumar, Gitesh [1 ]
Garg, H. C. [1 ]
机构：
[1] Guru Jambheshwar Univ Sci & Technol, Dept Mech Engn, Hisar, India
来源：
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY | 2023年 / 237卷 / 09期
关键词：
Nanoparticles; ionic liquid; ionanolubricants; specific wear rate; friction; lubricant additives; IONIC LIQUIDS; CUO NANOPARTICLES; PERFORMANCE; LUBRICANT; BIODEGRADATION; IMIDAZOLIUM; ADDITIVES; ZDDP;
D O I：
10.1177/13506501231179776
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
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 ([P-66614][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 null 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.
引用
收藏
页码：1757 / 1767
页数：11
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