Paper Title:
Anti-Wear and Reduce-Friction Ability of ZrO2/SiO2 Self-Lubricating Composites
  Abstract

In this paper, the author does research on the surface modified of nanometer ZrO2/SiO2 composite and makes it a good dispersivity in organic solvents. As lubricating oil additive, added it into the base oil with different concentration. Anti-wear and reducing friction performances measured by the four ball test and the thrust-ring tribotester. The results showed that the average friction coefficient decreased 21.14%, the weight lost of the thrust-ring was no wear or negative wear when the additive concentration was 1wt%. The worn surfaces were quite different compared without additive, the grooves formed during the friction experiment become smooth and finally a narrow wear scar. There were many white particles and dimples on gray surface, the white particles were higher than those of gray parts. The white particles was ZrO2/SiO2 composites according to EDS and XRD analysis. The Si and Zr elements appeared on the worn surfaces can not be cleaned out in petroleum ether and ultrasonic ambiance, this is a dynamic self-healing mechanism .

  Info
Periodical
Advanced Materials Research (Volumes 79-82)
Edited by
Yansheng Yin and Xin Wang
Pages
1863-1866
DOI
10.4028/www.scientific.net/AMR.79-82.1863
Citation
S. Y. Ma, S. H. Zheng, H. Y. Ding, W. Li, "Anti-Wear and Reduce-Friction Ability of ZrO2/SiO2 Self-Lubricating Composites", Advanced Materials Research, Vols. 79-82, pp. 1863-1866, 2009
Online since
August 2009
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