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Volume 13, June 2017, Pages 1-20
Development
of palm oil blended with semi synthetic oil as a lubricant using
four-ball tribotester
Y. Aiman, S. Syahrullail
Faculty of Mechanical Engineering, Universiti Teknologi Malaysia, 81310 UTM, Skudai, Johor, Malaysia
Abstract
Due to environment concern, the current lubricant
such mineral oil-based lubricant is not environmentally friendly as
it were not readily biodegradable and toxic. Therefore, the
vegetable oil-based lubricant has been promoted in order to replace
mineral oil-based. In this study, the performance of lubricant for
six different ratios between RBD Palm Olein and Semi-Synthetic oil
were tested in different loads and been discussed in different
parameters including coefficient of friction, wear scar diameter,
surface roughness, flash temperature parameter and wear worn
surface. Four-ball tribotester machine used to evaluate performance
of sample lubricants using ASTM D4172 standard. From the results, it
shows that the sample lubricants for engine oil mixing with RBD Palm
Olein reduce in 38% of coefficient of friction compared to pure
engine oil. From overall of the results, the performance of
lubricant was improved as RBD Palm Olein mixing with engine oil.
Keywords
Engine oil; Palm olein; Four-ball tester; Coefficient of friction; Wear scar diameter
Full Text
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