Fabrication and Properties of Cf/SiC Composites Derived from Polysiloxane Precursor

Abstract:

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Carbon fiber reinforced silicon carbide composites (Cf/SiC) were derived through precursor infiltration pyrolysis route (PIP) at 1600°C in vacuum atmosphere using polysiloxane as precursor. The matrix of Cf/SiC was characterized by X-ray diffraction and elemental analysis. The results show that crystalline β-SiC can be derived at 1600°C in vacuum from polysiloxane. The flexural strength and fracture toughness of polysiloxane derived from Cf/SiC can reach up to 70 MPa and 2.3MPa·m respectively1/2.

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Periodical:

Edited by:

Yafang Han, Fusheng Pan, Jianmao Tang, Chungen Zhou

Pages:

419-422

DOI:

10.4028/www.scientific.net/MSF.686.419

Citation:

T. H. Xu et al., "Fabrication and Properties of Cf/SiC Composites Derived from Polysiloxane Precursor", Materials Science Forum, Vol. 686, pp. 419-422, 2011

Online since:

June 2011

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$35.00

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