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J. Korean Ceram. Soc. > Volume 47(6); 2010 > Article
Journal of the Korean Ceramic Society 2010;47(6): 515.
doi: https://doi.org/10.4191/kcers.2010.47.6.515
진공 압출성형 및 래밍성형 공정에 의한 탄화규소 캔들 필터 제조 및 특성 (II)
한인섭, 서두원, 김세영, 홍기석, 우상국, 김영욱1
한국에너지기술연구원 반응분리소재연구센터
1서울시립대학교 신소재공학과
Fabrication and Properties of SiC Candle Filter by Vacuum Extrusion and Ramming Process (II)
In-Sub Han, Doo-Won Seo, Se-Young Kim, Ki-Seog Hong, Sang-Kuk Woo, Young-Wook Kim1
Reaction and Separation Materials Research Center, Korea Institute of Energy Research (KIER)
1Department of Materials Science Engineering, the University of Seoul
Porous SiC candle filter preforms were fabricated by extrusion and ramming process. To fabricate SiC candle filter preform, commercially available F180 mesh ($85;{mu}m$) $alpha$-SiC powder and $44;{mu}m$ mullite, $CaCO_3$ powder were used as the starting materials. The candle type preforms were fabricated by vacuum extrusion and ramming process, and sintered at $1400^{circ}C$ 2 h in air atmosphere. Corrosion test of the sintered candle filter specimens as forming method was performed at $600^{circ}C$ for 2,400 h in simulated IGCC syngas atmosphere. The effect of forming method on mechanical properties, pore distribution, microstructure and crystalline phase was investigated.
Key words: SiC candle filter, IGCC, Porous SiC, Vacuum extrusion, Ramming, IGCC syngas
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