Abstract
The present paper discusses the use of graphite particles in the lubricant for enhancing the friction properties of lubricant. Graphite particles were produced using the ball milling methods and mixed with multi-grade SAE 15W-40 lubricating oil using a magnetic stirrer and ultrasonicator. The graphite mixed lubricant was tested for its frictional behaviour using a linear reciprocating tribometer. Experiments were performed at three load values with constant stroke length and frequency. It is observed that graphite mixed lubricant resulted in reduction in coefficient of friction (COF) values. For the considered operating parameters, there is 33–36% reduction in the COF values. The overall temperature generation during the testing was also low for the graphite mixed lubricant testing.
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