Study of the friction and wear characteristic for fully synthetic oil blended with mineral base oil

Patah, Mohd Pirwansyah (2018) Study of the friction and wear characteristic for fully synthetic oil blended with mineral base oil. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The purpose of this study is to determine the characteristic of blended engine oil of SAE10W50 and SAE20W40. The coefficient of friction, wear scar diameter and the viscosity of the sample with different ratio of mineral based and fully synthetic oil were also investigated. The sample was blended together and then the tribological testing was conducted using a four-ball tester according to ASTM D4172 standard to get the coefficient of friction value. The wear scar surface was analysed by using the scanning electron machine (SEM) and the sample viscosity was conducted at 40°Cby using heated viscometer correlation with ASTM D445. The data analysed and defined that coefficient of friction, wear scar diameter and viscosity increase gradually. The viscosity reading for blended oil is not much changes compared to pure oil. It was observed that blended oil have significant increases in terms of coefficient of friction and wear scar diameter compare to mineral oil.

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