Paper Title:
Effect of Heat Treatment on the Microstructure and Mechanical Properties of Cf/SiC Composites
  Abstract

3D braided carbon fiber reinforced silicon carbide (3D-Cf/SiC) composites were fabricated by precursor infiltration and pyrolysis(PIP), with carbon coatings prepared by chemical vapor deposition (CVD) before PIP. The effect of 1873K heat treatment on the mechanical properties of Cf/SiC composites were investigated. The results showed that heat treatment before PIP can increase the density of composites and lead to excellent properties of Cf/SiC composites. The flexual strength of the Cf/SiC composites with one cycle of 1873 K heat treatment reached 571 MPa, shear strength 51 MPa, and fracture toughness 18 MPa⋅m1/2.

  Info
Periodical
Key Engineering Materials (Volumes 336-338)
Edited by
Wei Pan and Jianghong Gong
Pages
1291-1293
DOI
10.4028/www.scientific.net/KEM.336-338.1291
Citation
X. G. Zhou, C. C. Zhou, C. R. Zhang, Y. B. Cao, S. Q. Zou, "Effect of Heat Treatment on the Microstructure and Mechanical Properties of Cf/SiC Composites", Key Engineering Materials, Vols. 336-338, pp. 1291-1293, 2007
Online since
April 2007
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Price
$32.00
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