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차세대 원자력 시스템용 탄화규소계 세라믹스의 제조와 이온조사 특성 평가
김원주,강석민,박경환,류우석,박지연,Kim, Weon-Ju,Kang, Seok-Min,Park, Kyeong-Hwan,Kohyama Akira,Ryu, Woo-Seog,Park, Ji-Yeon 한국세라믹학회 2005 한국세라믹학회지 Vol.42 No.8
SiC-based ceramics are considered as candidate materials for the advanced nuclear energy systems such as the generation IV reactors and the fusion reactors due to their excellent high-temperature strength and irradiation resistance. The advanced nuclear energy systems and their main components adopting ceramic composites were briefly reviewed. A novel fabrication method of $SiC_f/SiC$ composites by introducing SiC whiskers was also described. In addition, the charged-particle irradiation ($Si^{2+}$ and $H^{+}$ ion) into CVD SiC was carried out to simulate the severe environments of the advanced nuclear reactors. SiC whiskers grown in the fiber preform increased the matrix infiltration rate by more than $60\%$ compared to the conventional CVI process. The highly crystalline and pure SiC showed little degradation in hardness and elastic modulus up to a damage level of 10 dpa at $1000^{\circ}C$.