High Temperature Structural MaterialsNo Access

TGA CHARACTERISTIC AND FABRICATION OF POROUS SiC CERAMICS

Department of Mechanical Engineering, Dong-Eui University, 995 Eomgwangno, Busanjin-gu, Busan, 614-714, Korea

Corresponding author: Department of Mechanical Engineering, Dong-Eui University, 995 Eomgwangno, Busanjin-gu, Busan, 614-714, Korea.

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SEON JIN KIM

School of Mechanical Engineering, Pukyong National University, Busan, 608-739, Korea

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, and

YI HYUN PARK

Institute of Advanced Energy, Kyoto University, kyoto, Japan

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https://doi.org/10.1142/S0217979210065763Cited by:0 (Source: Crossref)

Abstract

The long-range aim of this research is to develop porous ceramics with high strength, excellent thermal resistance and chemical stability at high temperature in environmental industry. The C_f/SiC was made by hot pressing method with SiC powder whose particle size is 50nm and less on the average also Al₂O₃, Y₂O₃ and SiO₂ as additive. The carbon fibers of oxidation property are investigated by TGA for finding out decarburization point. As a result, decarburization point selected the specific temperature of TGA curve and the C_f/SiC composites occurred perfectly decarburization at carbon fibers so the clearly porous SiC ceramics were formed many holes of 3-5µm diameters through length direction by its reaction.

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