Physical properties of Nano based Bio-Oils as cutting fluids

Jyothi PN, Bharath Kumar M, Susmitha Medarametla


The performance of any cutting fluid depends on its physical properties. A good cutting fluid should have high flash and fire point, so that it can withstand high temperature; resulted due to friction between toolchip interface & tool -workpiece interface. Viscosity should not be high as cutting fluid will not carry away the heat and chip produced. It should not be low also as, the oil just flows from machining zone without doing its intended function, hence Viscosity should be optimum. Cutting fluid should have high specific heat so that heat absorption will be high and optimum Adhesivenessfor good lubrication. The present paper discusses the physical properties of various bio-oils,SAE 20W40 (petroleum based oil), and compares the results measured with the addition of nano Graphite powder. 


Bio-Oils, Cutting fluids, Flash point, Fire point, Viscosity, Adhesiveness

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