EVALUATION OF OLIVE OIL AS LUBRICANT WITH THE HELP OF FOUR-BALL TESTER
This paper presents a statistical evaluation of the experimental data obtained after a tribological study on extravirgin olive oil, in order to point out the lubricating behavior of this vegetal oil. The resulted mathematical models underlined the influence of the sliding speed and the load on the wear scar and the friction coefficient. Tests were done on a four-ball machine (SR EN ISO 20623:2004). The authors also studied the influence of the
temperature and shear speed on the dynamic viscosity of this olive oil.
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