Friction and wear characteristics of carbon fiber reinforced silicon carbide ceramic matrix (Cf/SiC) composite and zirconia (ZrO2) ceramic under dry condition

Friction and wear characteristics of carbon fiber reinforced silicon carbide ceramic matrix... To investigate the tribological properties of Cf/SiC composite with different fiber orientations and ZrO2 with ground and polished surfaces, running-in tests under dry condition were conducted in a pin-to-disc apparatus. The results show that ground surfaces of ZrO2 ceramic sliding against each fiber orientation exhibit more excellent tribological properties than the polished ones. The average coefficient of friction (COF), pin and disc wear rate decrease about 53.7%–63.3%, 59.4%–80.6% and 69.7%–88.5% respectively among all fiber orientations. Specifically, 90deg fiber orientation sliding against ground ZrO2 surface exhibits the best excellent tribological property. Wear mechanism and the reason leading to the results are researched. The work firstly proposes ground surface scratch is a kind of surface texture which hugely affects material's tribological performance. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Tribology International Elsevier

Friction and wear characteristics of carbon fiber reinforced silicon carbide ceramic matrix (Cf/SiC) composite and zirconia (ZrO2) ceramic under dry condition

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier Ltd
ISSN
0301-679X
eISSN
1879-2464
D.O.I.
10.1016/j.triboint.2017.10.023
Publisher site
See Article on Publisher Site

Abstract

To investigate the tribological properties of Cf/SiC composite with different fiber orientations and ZrO2 with ground and polished surfaces, running-in tests under dry condition were conducted in a pin-to-disc apparatus. The results show that ground surfaces of ZrO2 ceramic sliding against each fiber orientation exhibit more excellent tribological properties than the polished ones. The average coefficient of friction (COF), pin and disc wear rate decrease about 53.7%–63.3%, 59.4%–80.6% and 69.7%–88.5% respectively among all fiber orientations. Specifically, 90deg fiber orientation sliding against ground ZrO2 surface exhibits the best excellent tribological property. Wear mechanism and the reason leading to the results are researched. The work firstly proposes ground surface scratch is a kind of surface texture which hugely affects material's tribological performance.

Journal

Tribology InternationalElsevier

Published: Mar 1, 2018

References

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