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Preparation and Morphology of C/C-SiC Composites by Si Melt Infiltration

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Abstract:

Two different types of carbon fibre bundles were used for filament winding to obtain C/C preforms. C/C-SiC composites were produced from the C/C preforms by a silicon melt infiltration technique. The effect of the type of carbon fibre bundle on the mechanical and thermal properties of the resultant C/C-SiC composites was compared. The spun fiber preform yields C/C-SiC composites of better mechanical properties than the unidirectional continuous fiber preform. The strength of the composites from the SFP was 1.8 times higher than that from the CFP. The flexural strength and the O-ring strength of the composites from the SFP with a density of 2.35 g/cm3 were about 160 MPa and 170 MPa, respectively.

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Periodical:

Key Engineering Materials (Volumes 317-318)

Pages:

119-124

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.317-318.119

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Online since:

August 2006

Authors:

In Sub Han, Doo Won Seo, Shi Woo Lee, Ki Seok Hong, Sang Kuk Woo, Yong Hee Chung, Jae Chun Lee

Keywords:

C/C-SiC Composite, Carbon Fiber (CF), Filament Winding, Melt Infiltration, Silicon Carbide (SiC)

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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