María-Dolores Avilés, Paloma Mostaza, María-Dolores Bermúdez, Francisco J. Carrión-Vilches
{"title":"Epoxidized vegetable lubricant enhanced by ionic liquid","authors":"María-Dolores Avilés, Paloma Mostaza, María-Dolores Bermúdez, Francisco J. Carrión-Vilches","doi":"10.1016/j.wear.2025.205740","DOIUrl":null,"url":null,"abstract":"<div><div>Peanut oil lubricants were modified with the ionic liquid diethylmethylammonium methanesulfonate (IL) to produce novel biolubricants. Neat (Pn) and epoxidized peanut (EPn) oils with 1 wt% IL were studied in a stainless-steel/sapphire tribopair under pin-on-disc configuration. The highest viscosity was found for EPn+1%IL oil, and its outstanding tribological performance yielded a reduction in friction coefficient, and of up to 96.3 % in wear rate. X-ray photoelectron spectroscopy revealed the presence of IL and epoxidized oil tribofilm inside the wear tracks. The combination of thermal oxidation stability, viscosity, and tribological performance confirmed the potential use of ionic liquids as efficient additives in vegetable base oils.</div></div>","PeriodicalId":23970,"journal":{"name":"Wear","volume":"564 ","pages":"Article 205740"},"PeriodicalIF":5.3000,"publicationDate":"2025-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Wear","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0043164825000092","RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENGINEERING, MECHANICAL","Score":null,"Total":0}
引用次数: 0
Abstract
Peanut oil lubricants were modified with the ionic liquid diethylmethylammonium methanesulfonate (IL) to produce novel biolubricants. Neat (Pn) and epoxidized peanut (EPn) oils with 1 wt% IL were studied in a stainless-steel/sapphire tribopair under pin-on-disc configuration. The highest viscosity was found for EPn+1%IL oil, and its outstanding tribological performance yielded a reduction in friction coefficient, and of up to 96.3 % in wear rate. X-ray photoelectron spectroscopy revealed the presence of IL and epoxidized oil tribofilm inside the wear tracks. The combination of thermal oxidation stability, viscosity, and tribological performance confirmed the potential use of ionic liquids as efficient additives in vegetable base oils.
期刊介绍:
Wear journal is dedicated to the advancement of basic and applied knowledge concerning the nature of wear of materials. Broadly, topics of interest range from development of fundamental understanding of the mechanisms of wear to innovative solutions to practical engineering problems. Authors of experimental studies are expected to comment on the repeatability of the data, and whenever possible, conduct multiple measurements under similar testing conditions. Further, Wear embraces the highest standards of professional ethics, and the detection of matching content, either in written or graphical form, from other publications by the current authors or by others, may result in rejection.