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J. Korean Ceram. Soc. > Volume 46(6); 2009 > Article
Journal of the Korean Ceramic Society 2009;46(6): 609.
doi: https://doi.org/10.4191/kcers.2009.46.6.609
알루미나-아연붕규산염 유리를 이용한 저온 소결 다공성 세라믹스의 제조 및 특성
김관수, 송기영, 박상엽, 김신, 김성진, 윤상옥1
강릉원주대학교 세라믹공학과
Properties of Low Temperature Sintered Porous Ceramics from Alumina-Zinc Borosilicate Glass
Kwan-Soo Kim, Ki-Young Song, Sang-Yeup Park, Shin Kim, Sung-Jin Kim, Sang-Ok Yoon1
Department of Ceramic Engineering, Kangnung-wonju National University
1Cermotech Co., Ltd, Gangnung Science & Industry Park
The low-temperature preparation of porous ceramics was carried out using mixtures of alumina-zinc borosilicate (ZBS) glass. The compositions of alumina-ZBS glass mixture with PMMA pore-former were unfortunately densified. Because PMMA was evaporated below the softening point of ZBS glass ($588{^{circ}C}$), the densification through the pore-filling caused by the capillary force might occur. Howerver, those with carbon possessed pores where carbon was evaporated above the softening point. The porous ceramic having 35% porosity was successively fabricated by the low-temperature sintering process below $900{^{circ}C}$ using 45 vol% of alumina, 45 vol% ZBS of glass, and 10 vol% of carbon as starting materials.
Key words: Porous ceramics, $Al_2O_3$, Zinc borosilicate glass, Pore former, Low temperature sintering
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