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Effect of pyrolytic carbon content on microstructure and tribological properties of C/C–SiC brake composites fabricated by isothermal chemical vapor infiltration

Authors
Journal
Solid State Sciences
1293-2558
Publisher
Elsevier
Publication Date
Volume
14
Issue
1
Identifiers
DOI: 10.1016/j.solidstatesciences.2011.10.010
Keywords
  • Ceramic-Matrix Composites
  • Friction/Wear
  • Isothermal Chemical Vapor Infiltration (Icvi)
Disciplines
  • Chemistry

Abstract

Abstract Four types of C/C–SiC composites were prepared by isothermal chemical vapor infiltration (ICVI) of SiC on C/C preforms of different densities. Tribological properties of the composites were evaluated by using MM-1000 testing machine. The results indicated that the friction behaviors of the composites are a strong function of the content of pyrolytic carbon (in matrix). Moreover, friction film was formed on the surface and increased with pyrolytic carbon content. Debris originated of particulate and film-type have been observed after friction testing with ratio and size determined by the content of pyrolytic carbon.

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