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Effect of [email protected]3O4 on the tribological behavior of biodiesel soot-contaminated polyalphaolefin
Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology ( IF 1.397 ) Pub Date : 2020-04-07 , DOI: 10.1177/1350650120917857
Chuan Li; Qiangqiang Zhang; Bo Wu; Weimin Feng; Hui Song; Xianguo Hu

The biodiesel soot interacts with engine oil and causes the wear of engine parts. In this study, we present the effects of [email protected]3O4 on the tribological behavior of the biodiesel soot-contaminated lubricating oil using a UMT-2 multifunction friction tester to ensure active control with respect to the role of biodiesel soot in engine oil. Three-dimensional laser scanning microscopy, field-emission scanning electron microscopy, and Raman spectroscopy were used to analyze the worn surfaces of the lower disc. [email protected]3O4 reduced the wear of the GCr15 steel specimens as an additive in the polyalphaolefin-6 base oil containing biodiesel soot. The tribological mechanism can be attributed to the formation of a protecting layer in the presence of [email protected]3O4 and the ability of the exfoliated Fe3O4 particles to repair the friction surfaces, enhancing the anti-wear property of polyalphaolefin-6 containing biodiesel soot.
更新日期:2020-04-07

 

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