Tribological Performance of Modified Jatropha Oil Containing Oil-Miscible Ionic Liquid for Machining Applications

Amiril Sahab, Abdul Sani and Erween, Abd Rahim and Syahrullail, Samion (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 1976-3824. (Published)

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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 bio-based lubricant. The 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 the 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 correspond to the energy saving and environmental benefit for sustainable machining application.

Item Type: Article
Additional Information: Indexed by ISI
Uncontrolled Keywords: Environmental adapted metalworking fluid; Ionic liquid; Oil miscible additive; Renewable source; Sustainable machining; Tribology
Subjects: T Technology > TJ Mechanical engineering and machinery
Faculty/Division: Faculty of Manufacturing Engineering
Depositing User: Dr. Amiril Sahab Abdul Sani
Date Deposited: 12 Dec 2017 07:49
Last Modified: 12 Dec 2017 07:49
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