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Tribological Study of Ti3SiC2 and Its Derivatives

[+] Author Affiliations
Surojit Gupta, Z. M. Sun, M. W. Barsoum

Drexel University, Philadelphia, PA

T. Palanisamy, E. Passman

Honeywell International

Paper No. WTC2005-63739, pp. 123-124; 2 pages
doi:10.1115/WTC2005-63739
From:
  • World Tribology Congress III
  • World Tribology Congress III, Volume 1
  • Washington, D.C., USA, September 12–16, 2005
  • Conference Sponsors: Tribology Division
  • ISBN: 0-7918-4201-0 | eISBN: 0-7918-3767-X
  • Copyright © 2005 by ASME

abstract

In this paper, we report on the tribological and wear properties of Ti3 SiC2 and its derivatives. Coarse-grained Ti3 SiC2 was not wear resistant at room temperature. Preoxidation of the material at 700 °C for 5 h also failed to ameliorate the situation at room temperature. Addition of 20 vol.% Cu in the matrix improved the wear rate for up to 1500 m; beyond that distance the friction and wear increased. Ti3 SiC2 tested at 500 °C showed improved wear resistance most probably due to the formation of oxide tribofilms. More work is being done to understand the basic mechanism behind this behavior.

Copyright © 2005 by ASME
Topics: Tribology

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