Preparation of Carbon Fiber/SiC Composite by Chemical Vapor Infiltration.

Noda, Tetsuji; Araki, Hiroshi; Abe, Fujio; Suzuki, Hiroshi; Okada, Masatoshi

doi:10.2355/isijinternational.32.926

Cited by 1 publication

(1 citation statement)

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“…In addition to the former discussion about deterioration in strength due to porosity, Noda et al also have reported that the strengths increased with decreasing porosity for SiC/ SiC composites produced by chemical vapor infiltration (CVI). 11 As for graphite, Young's modulus, bending, and compressive strengths of IG-110 decreased with decreasing density by burnoff. 12 For several graphite materials, oxidation decreased the densities, resulting in the reduction in their compressive strengths.…”

Section: Discussionmentioning

confidence: 96%

Mechanical Properties of Oxidation‐Resistant SiC/C Compositionally Graded Graphite Materials

Nakano¹,

Fujii²,

Yamada³

1997

Journal of the American Ceramic Society

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Mechanical properties of oxidation-resistant SiC/C compositionally graded graphite materials composed of a CVD SiC coating layer, a SiC/C graded layer, and a graphite substrate were studied by bending, compressive, and hardness tests at room temperature. CVD SiC coated graphite and graphite with a SiC/C graded layer alone were also examined. The bending strengths of oxidation-resistant SiC/C compositionally graded graphite materials as well as CVD SiC coated graphite were about twice as much as that of graphite. The bending and compressive strengths of graphite with the SiC/C graded layer alone were almost the same as those of graphite. The higher strengths of graphite with the CVD SiC layer can be mainly due to the CVD SiC strength itself, and partly due to the smooth CVD surface. No effect of the SiC/C layer on the strengths was discussed in terms of porosity, surface morphology, and the strength of SiC.

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Section: Discussionmentioning

confidence: 96%