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Tribological performance of modified jatropha oil containing oil-miscible ionic liquid for machining applications

Abdul Sani, A. S. and Rahim, E. A. and Samion, S. (2017) Tribological performance of modified jatropha oil containing oil-miscible ionic liquid for machining applications. Journal of Mechanical Science and Technology, 31 (12). pp. 5675-5685. ISSN 1738-494X

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Abstract

Modifying physicochemical and tribological properties of a bio-based lubricant is essential in improving its lubrication performances. This paper presents the effectiveness of a fully oil-miscible Ionic liquid (IL) as lubricant additive into a bio-based lubricant. Methyltrioctylammonium bis(trifluoromethylsulfonyl)imide (AIL) was selected as IL additive to improve the tribological performance of the biobased lubricant. Additive was mixed into the bio-based lubricant at three levels of mass concentrations (1 wt.%, 5 wt.% & 10 wt.%). Tribology tests on steel/steel contacts were conducted to evaluate the lubricant samples. Test outputs were benchmarked against the neat bio-based lubricant. Results revealed good synergistic effect of the AIL additive blended into the bio-based lubricant. MJO+AIL10 % has shown good corrosion inhibition, superior friction reduction (48 %), lower worn surface area (23 %), excellent surface finish (46 %) and increased tapping torque efficiency (8 %). MJO+AIL10 % provided excellent tribological performances which corresponds to the energy saving and environmental benefit for sustainable machining applications.

Item Type:Article
Uncontrolled Keywords:Renewable source, Sustainable machining
Subjects:T Technology > TJ Mechanical engineering and machinery
Divisions:Mechanical Engineering
ID Code:76498
Deposited By: Fazli Masari
Deposited On:31 May 2018 09:24
Last Modified:31 May 2018 09:24

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