이트리아 안정화 지르코니아 나노 분말 합성

이재훈; 배성환; Jae-Hoon Lee; Sung-Hwan Bae

Korean Journal of Materials Research, Vol.27, No.8, 445-450, August, 2017

DOI10.3740/MRSK.2017.27.8.445 Export Citation

이트리아 안정화 지르코니아 나노 분말 합성

Hydrothermal Synthesis of 6mol% Yttria Stabilized Cubic ZrO2 Nano Powders

이재훈, 배성환^{1, †}

경남대학교 메카트로닉스공학과
¹경남대학교 나노신소재공학과

Jae-Hoon Lee, and Sung-Hwan Bae^{1, †}

Department of Mechatronics Engineering, Kyungnam University, 7 Kyungnamdaehak-ro, Masanhappo-gu, Changwon-si 51767, Republic of Korea
¹Department of Nano Science and Engineering, Kyungnam University, 7 Kyungnamdaehak-ro, Masanhappo-gu, Changwon-si 51767, Republic of Korea

E-mail:

YSZ (Yttria-stabilized zirconia) is a ceramic material that is used for electronic and structural materials due to its excellent mechanical properties and specific electrical characteristics according to the Yttrium addition. Hydrothermal synthesis has several advantages such as fine particle size, uniform crystalline phase, fast reaction time, low process temperature and good dispersion condition. In order to synthesize YSZ nanoparticles with high crystallinity, hydrothermal synthesis was performed at various concentrations of NaOH. The hydrothermal process was held at a low temperature (100 °C), with a short process time (2,4,8 hours); the acidity or alkalinity of solution was controlled in a range of pH 2~12 by addition of NaOH. The optimum condition was found to be pH 12, at which high solubility levels of Y(OH) and Zr(OH) were reported. The synthesized nano powder showed high crystallinity and homogenous composition, and uniform particle size of about 10 nm.

Keywords:hydrothermal synthesis;yttria stabilized ZrO2;solubility curve

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[1] Kang SK, So DS, Choi BK, Song RH, J. Korean Ind. Eng. Chem., 6, 52 (2003)

[2] Minh NQ, Takahashi T, Science and Technology of Ceramic Fuel Cells, p. 209-210, Elsevier, Netherlands (1995).

[3] Minh NQ, Solid State Ion., 174(1-4), 271 (2004)

[4] Ji Y, Kilner JA, Carolan MF, Solid State Ion., 176(9-10), 937 (2005)

[5] Subbarao EC, Solid State Ion., 11, 317 (1984)

[6] Pyda W, Haberko K, Buko MM, J. Am. Ceram. Soc., 74, 2622 (1991)

[7] Nishizawa H, Yamasaki N, Matsuoka K, Mitsushio H, J. Am. Ceram. Soc., 65, 343 (1982)

[8] OIV, Ragulya AV, J. Am. Ceram. Soc., 40, 1360 (2004)

[9] Tani E, Yoshimura M, Smiya S, J. Am. Ceram. Soc., 66, 11 (1983)

[10] Kumazawa H, Inoue T, Sada E, Chem. Eng. J. Biochem. Eng. J., 55, 93 (1994)

[11] Silva VV, Lameiras FS, Domingues RZ, Ceram. Int., 27, 615 (2001)

[12] Feinberg A, Perry CH, J. Phys. Chem. Solids, 42, 513 (1981)

[13] Matsui K, Suzuki H, Ohagai M, J. Am. Ceram. Soc., 78, 146 (1995)

[14] Ryu JH, Kil HS, Song JH, Lim DY, Cho SB, Powder Technol., 221, 228 (2012)

[15] Yoshimura M, Somiya S, Mater. Chem. Phys., 61, 1 (1999)

[16] Noh HJ, Lee JK, Seo DS, Hwang KH, J. Korean. Ceram. Soc., 39, 308 (2002)

[17] Helm L, Merbach AE, Chem. Rev., 105(6), 1923 (2005)

[18] Mamott GT, Barnes P, Tarling SE, Jones SL, Norman CJ, J. Mater. Sci., 26, 4054 (1991)

[19] Adair JH, Krarup HG, Venigalla S, Tsukada T, Mater. Res. Soc. Symp. Proc., 432, 101 (1997)

[20] Kimel RA, Adair JH, J. Am. Ceram. Soc., 88(5), 1133 (2005)

[21] Tsukada T, Venigalla S, Morrone AA, Adair JH, J. Am. Ceram. Soc., 82, 1169 (1999)

[22] Kim WS, J. Korean Ind. Eng. Chem., 10, 9 (2007)

[23] Kontoyannis CG, Orkoula M, J. Mater. Sci., 29(20), 5316 (1994)

[24] Szepesi CJ, Adair H, J. Am. Ceram. Soc., 94, 4239 (2011)