Abstract
X-ray diffraction (XRD) and differential thermal analysis (DTA) as well as heat treating method etc have used to study the material characteristics of ultra-fine serpentine powder and analyze its material science bases for the improvement of tribological intervention behaviors of friction pair surface. The ultra-fine serpentine powders are taken as lube oil additive in present experiment. The friction coefficient is tested on the four-ball and ring-on-block friction pairs under different working conditions, and the surface topography of friction pair are observed and measured with scanning electron microscopy (SEM) and three dimensional white light interfering profilometer. The results indicate that the ultra-fine serpentine powders as lube oil additive can significantly improve the antifriction properties of the lube oil. The content of the added ultra-fine serpentine powders can affect on the antifriction performance of the lube oil.
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