RAPESEED OIL VERSUS SOYBEAN OIL – RHEOLOGICAL AND TRIBOLOGICAL PROPERTIES
The purpose of this paper is a comparison between rapeseed oil and soybean oil, regarding their rheological and tribological properties. Tests were performed on a Brookfield viscometer with cone-plate geometry, having the following test parameters: test type – shear rate imposed, shear rate (100...2000 s–1), temperature values between 20 °C and 75 °C. In parallel, there were proceed tribological tests on a four ball machine, for three speeds (1200, 1500 and 1800 rpm). The results of the tests highlight the better rheologial and tribological behavior of the rapeseed oil, thus it could be recommended in tribological applications.
Keyword(s): Rheology, Vegetable oils, Tribology.
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