Paper Title:
Ti3AlC2 — A Soft Ceramic Exhibiting Low Friction Coefficient
  Abstract

The friction behavior of a high-purity bulk titanium aluminum carbide (Ti3AlC2) material dryly sliding against low carbon steel was investigated. Tests were performed using a block-on-disk type high-speed friction tester under sliding speed of 20 m/s and 60 m/s, several normal pressures from 0.1 to 0.8 MPa. The results showed that the friction coefficient is as low as about 0.18 for sliding speed of 20 m/s and only 0.1 for 60 m/s, and that almost not changes with the normal pressure. The reason could be related with the presence of a surface layer on the friction surface. The layer was analyzed to consist of Ti, Al and Fe oxides, which played a lubricate part inducing the friction coefficient decrease on the friction surface.

  Info
Periodical
Materials Science Forum (Volumes 475-479)
Main Theme
Edited by
Z.Y. Zhong, H. Saka, T.H. Kim, E.A. Holm, Y.F. Han and X.S. Xie
Pages
1251-1254
DOI
10.4028/www.scientific.net/MSF.475-479.1251
Citation
H. X. Zhai, Z. Y. Huang, Y. Zhou, Z. L. Zhang, S. B. Li, Y. F. Wang, "Ti3AlC2 — A Soft Ceramic Exhibiting Low Friction Coefficient", Materials Science Forum, Vols. 475-479, pp. 1251-1254, 2005
Online since
January 2005
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$32.00
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