금속 알콕사이드로부터 Mullite 초미분체의 제조

임굉; 임재석; 김영호; Going Yim; Chai Suk Yim; Young Ho Kim

Korean Journal of Materials Research, Vol.16, No.12, 719-724, December, 2006

DOI10.3740/MRSK.2006.16.12.719 Export Citation

금속 알콕사이드로부터 Mullite 초미분체의 제조

Preparation of Ultrafine Mullite Powder from Metal Alkoxides

임굉^†, 임재석¹, 김영호²

배재대학교 나노고분자재료공학과
¹(주)효성 기술원 중앙연구소
²(주)두원 C&C 기술연구소

Going Yim^†, Chai Suk Yim¹, and Young Ho Kim²

Dept. Nanopolym. Mat. Eng., Col. of Eng., Pachai University, Daejeon 302-735, Korea
¹Hyosung Corp.,, R&D.B. Labs, Cent. Res. Inst., Gyunggi-do 431-080, Korea
²Doowon C&C Co., Tech., R&D Center, Gyunggi-do 445-910, Korea

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Ultrafine mullite powder was prepared from aluminium-secbutoxide and tetraethyl orthosilicate(TEOS) in the molar =3/2. Sol-gel method by partial hydrolysis technique, as it were, first, TEOS was partially hydrolysized and then mixed with Al-secbutoxide for complete hydrolysis was used. X-ray diffraction, infrared spectroscopy and transmission electron microscopy, etc. confirmed that the mullite powder prepared by this method is in the stoichiometric ratio. Al-Si spinel was formed at and ultrafine mullite powder with about 20 nm particle size was obtained above . Also mullite powders calcined at had a stoichiometric composition, and the lattice constants of the mullite powders calcined above were almost coincided with theoretical values.

Keywords:ultrafine mullite powder;metal alkoxides;sol-gel method;stoichiometry

[References]

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[2] Aksay IA, Pask JA, J. Am. Ceram. Soc., 58, 507 (1975)

[3] Lessing PA, Gorden RS, Mazdlyasni KS, J. Am. Ceram. Soc., 58, 149 (1975)

[4] Kanzaki S, Tabata H, Kumazawa T, Obta S, J. Am. Ceram. Soc., 68, C6 (1985)

[5] Dokko PC, Pask JA, Mazdlyasni KS, J. Am. Ceram. Soc., 60, 150 (1977)

[6] Aksay IA, Dabbs DH, Sarikaya M, J. Am. Ceram. Soc., 74, 2343 (1991)

[7] Prochazka S, Klug FJ, J. Am. Ceram. Soc., 66, 874 (1983)

[8] Hamano K, Sato T, Nakagawa Z, Yogyo-Kyokai-Shi, 94, 818 (1986)

[9] Suzuki M, Hitaishi S, Yoshimura M, Somiya S, Yogyo-Kyokai-Shi, 92, 320 (1984)

[10] Ismail MGMU, Nakal Z, Somiya S, J. Am. Ceram. Soc., 70, C7 (1987)

[11] Suzuki H, Saito H, Yogyo-Kyokai-Shi, 95, 697 (1987)

[12] Hirata Y, Minamizono H, Shimada K, Yogyo-Kyokai-Shl, 93, 36 (1985)

[13] Guo C, Nakagawa Z, Hamano K, Yogyo-Kyobi-Shi, 94, 583 (1986)

[14] Hirata Y, Sakeda K, Matsushita Y, Shimada K, Yogyo-Kyokai-Shi, 93, 577 (1985)

[15] Schneider H, Okada K, Pask JA, Mullite and Ceramics, John Wiley & Sons, Inc., New York (1995) (1995)

[16] Chakraborty AK, Ghosh DK, J. Am. Ceram. Soc., 71, 978 (1988)

[17] Yoldas BE, Am. Ceram. Soc. Bull., 59, 479 (1984)

[18] Navarro LM, Recio P, Duran P, J. Mater. Sci., 30(8), 1931 (1995)

[19] Chatterjee M, Ray J, Chatterjee A, Garguli D, Joshi SV, Srivastava MP, J. Mater. Sci, 28, 2803 (1993)

[20] Ogihara CT, Yanagawa T, Ogata N, Yoshida K, Iguchi M, Nagata N, Ogawa K, J. Ceram. Soc., 102, 778 (1994)

[21] Hwang UY, Lee SG, Koo KK, Park HS, Yoo SJ, Yoon HS, HWAHAK KONGHAK, 37(3), 355 (1999)

[22] Murthy MK, Hurnmcl FA, J. Am. Ceram. Soc., 43, 267 (1960)

[23] Suzuki H, Tomokiyo Y, Suyama Y, Saito H, Yogyo Kyokai Shi, 96, 67 (1988)

[24] Chakraborty AK, J. Am Ceram. Soc., 62, 120 (1979)

[25] Brindley GW, Nakabira M, J. Am. Ceram. Soc., 42, 319 (1959)

[26] Chakraborty AK, J. Mater. Sci., 29(23), 6131 (1994)

[27] Sacks ND, Bazkurt N, Scheiffele GW, J. Am. Ceram. Soc., 74, 2428 (1991)

[28] Chakraborty AK, Ghosh DK, J. Am. Ceram. Soc., 61, 170 (1978)

[29] Schneider H, Lipinsky TR, J. Am. Ceram. Soc., 71, C162 (1988)

[30] Li DX, Thomson WJ, J. Mater Res., 6, 819 (1991)

[31] Camenon WE, Am. Ceram. Soc. Bull., 56, 1003 (1977)

[32] Agrell SO, Smith JU, J. Am. Ceram. Soc., 43, 69 (1960)

[33] Aramaki S, Roy R, J. Am. Ceram. Soc., 45, 229 (1962)

[34] Camenon WE, Am. Mineral., 62, 747 (1977)

[35] Mackenzie KJD, J. Am. Ceram. Soc., 55, 68 (1972)

[36] Schneider H, Ceram. Trans., 6, 135 (1990)