{"title":"Tribological behaviour of pongamia oil as lubricant with and without halloysite nanotubes using four-ball tester","authors":"B. Suresha, G. Hemanth, A. Rakesh, K. Adarsh","doi":"10.1063/1.5117954","DOIUrl":null,"url":null,"abstract":"This investigation is conducted to obtain the wear and friction behavior of halloysite nanotubes (HNTs) as an antiwear additive to bio-based pongamia oil. The tribological tests were carried out using a four-ball tester (ASTM D-4172). The variation of viscosity of bio-based pongamia, madhuca indica and neem oils is also evaluated in conformity with IP70/62. The test results were compared with synthetic petroleum-based lubricant (SAE20W40). The experimental test data showed that pongamia oil containing HNTs (1.5 wt.%) has superior tribological characteristics and smoother wear scar diameter compared to other combinations of pongamia oil without additives and other bio-based oils.","PeriodicalId":13819,"journal":{"name":"INTERNATIONAL CONFERENCE ON MATERIALS, MANUFACTURING AND MACHINING 2019","volume":"18 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2019-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"18","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"INTERNATIONAL CONFERENCE ON MATERIALS, MANUFACTURING AND MACHINING 2019","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1063/1.5117954","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 18
Abstract
This investigation is conducted to obtain the wear and friction behavior of halloysite nanotubes (HNTs) as an antiwear additive to bio-based pongamia oil. The tribological tests were carried out using a four-ball tester (ASTM D-4172). The variation of viscosity of bio-based pongamia, madhuca indica and neem oils is also evaluated in conformity with IP70/62. The test results were compared with synthetic petroleum-based lubricant (SAE20W40). The experimental test data showed that pongamia oil containing HNTs (1.5 wt.%) has superior tribological characteristics and smoother wear scar diameter compared to other combinations of pongamia oil without additives and other bio-based oils.
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