Mechanical Properties and Microstructure of KD-1 SiCf/SiC Composites Fabricated by Vapor Silicon Infiltration

Abstract:

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Continuous silicon carbide fiber reinforced silicon carbide matrix (SiCf/SiC) composites were fabricated by a combining polymer impregnation and pyrolysis (PIP) and vapor silicon infiltration (VSI) process. The mechanical properties and microstructure of the SiCf/SiC composites were studied. The results show that the open porosity of the SiCf/SiC composites is near zero. The density and mechanical properties of SiCf/SiC increase with decreasing the porosity of SiCf/C. However, the SiC fibers are damaged during the VSI process due to the reaction between SiC fibers and vapor Si.

Info:

Periodical:

Materials Science Forum (Volumes 675-677)

Edited by:

Yi Tan and Dongying Ju

Pages:

151-153

DOI:

10.4028/www.scientific.net/MSF.675-677.151

Citation:

H. L. Wang et al., "Mechanical Properties and Microstructure of KD-1 SiCf/SiC Composites Fabricated by Vapor Silicon Infiltration", Materials Science Forum, Vols. 675-677, pp. 151-153, 2011

Online since:

February 2011

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Price:

$35.00

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