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Preparation of Ordered Porous Ceramic Joint on C/SiC Composites and Its Joining Technique

Author(s): WANG Hao, ZHOU Qing-Jun, JIAN Ke, SHAO Chang-Wei, ZHU Yi-Hua

Journal: Journal of Inorganic Materials
ISSN 1000-324X

Volume: 28;
Issue: 7;
Start page: 763;
Date: 2013;
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Keywords: C/SiC composites; joining; precursor conversion technique; template technique; ordered nanoporous ceramic joint

Mono-dispersed silica spheres were prepared as template by st?ber method. Based on this template, the ordered nanoporous ceramic joints on the C/SiC composites were successfully fabricated for the first time by preceramic polymer techniques and the condition was optimized. Two different joining methods, directly soaking (DSM) and soaking after the first joining (SJM), were used for joining the ordered nanoporous ceramic joints of the C/SiC composites. The result shows that the bending strength of the joints by DSM and SJM is about 20.5 and 82.4 MPa, respectively, suggesting SJM more suitable for joining C/SiC composites.

Tango Jona
Tangokurs Rapperswil-Jona

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