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Volume 5, June 2015, Pages 1-11
Comparison of lubricant properties of castor oil and commercial engine oil
Binfa Bongfaa, Peter A. Atabora, Atuci Barnabasb, M.O. Adeotic
a Mechanical Engineering Department, Federal Polytechnic, PMB 1037, Idah, Nigeria
b Mubeco Petroleum Company Limited, Kaduna, Nigeria
c Mechanical Engineering Department, Federal Polytechnic, PMB 55, Bida, Nigeria
Abstract
The tribological performance of crude Nigeria-based castor oil has been investigated and compared with that of a foreign, 20W-50 high quality crankcase oil, to see its suitability as base oil for lubricating oils in indigenous vehicle and power plants engines. The experiment was conducted using a four ball tester. The results showed that unrefined castor oil has superior friction reduction and load bearing capability in an unformulated form than the commercial oil; can compete favourably with the commercial oil in wear protection when formulated with suitable antiwear agent, hence can be a good alternative base stock for crankcase oils suitable for Nigeria serviced vehicles, and plants engines from tribological, environmental, and non-food competitive points of view.
Keywords
Unrefined castor oil; Engine oil; Antiwear; Extreme pressure; Friction reduction
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