Dependence of Thermal Properties on Crystallization Behavior of CaMgSi2O6 Glass-Ceramics

Chang Jun Jeon; Won Jae Yeo; Eung Soo Kim

Korean Journal of Materials Research, Vol.19, No.12, 686-691, December, 2009

DOI10.3740/MRSK.2009.19.12.686 Export Citation

Dependence of Thermal Properties on Crystallization Behavior of CaMgSi2O6 Glass-Ceramics

Chang Jun Jeon, Won Jae Yeo, and Eung Soo Kim^†

Department of Materials Engineering, Kyonggi University, Suwon 443-760, Korea

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The effects of thermal properties on the crystallization behavior of CaMgSi2O6 glass-ceramics were investigated as a function of sintering temperature from 800oC to 900oC. The crystallization behavior of the specimens depended on the sintering temperature, which could be evaluated from the differential thermal analysis, X-ray diffraction and Fourier transform infrared spectroscopy. With increasing sintering temperature, the thermal conductivity of the sintered specimens increased, while the coefficient of thermal expansion (CTE) of the sintered specimens decreased. These results could be attributed to the increase of crystallization, confirmed from the estimation by density measurements. Also, the thermal diffusivity and specific heat capacity of the sintered specimens were discussed with relation to the sintering temperature. Typically, a thermal conductivity of 3.084 W/moC, CTE of 8.049 ppm/oC, thermal diffusivity of 1.389 mm2/s and specific heat capacity of 0.752 J/goC were obtained for CaMgSi2O6 specimens sintered at 900oC for 5 h.

Keywords:diopside;crystallization;thermal properties;sintering temperature

[References]

Lim JH, Park SJ, Korean J. Mater. Res., 19(8), 417 (2009)
Chen GH, Liu XY, J. Alloys Compd., 431, 282 (2007)
Kim JH, Hwang SJ, Sung WK, Kim HS, J. Electroceram., 23, 209 (2009)
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Goel A, Shaaban ER, Tulyaganov DU, Ferreira JMF, J. Am. Ceram. Soc., 91(8), 2690 (2008)
Karamanov A, Arrizza L, Matekovits I, Pelino M, Ceram. Int., 30, 2129 (2004)
Karamanov A, Pelino M, J. Eur. Ceram. Soc., 19, 649 (1998)
Knoche R, Dingwell DB, Webb SL, Geochim. Cosmochim. Acta, 56, 689 (1992)
Salama SN, Darwish H, Mosallam HAA, J. Eur. Ceram. Soc., 25, 1133 (2005)

[Related Articles]

[1] Lim JH, Park SJ, Korean J. Mater. Res., 19(8), 417 (2009)

[2] Chen GH, Liu XY, J. Alloys Compd., 431, 282 (2007)

[3] Kim JH, Hwang SJ, Sung WK, Kim HS, J. Electroceram., 23, 209 (2009)

[4] Goel A, Tulyaganov DU, Agathopoulos S, Ribeiro MJ, Ferreira JMF, J. Eur. Ceram. Soc., 27, 3231 (2007)

[5] KIssinger HE, Anal. Chem., 29, 1702 (1957)

[6] Augis JA, Bennett JE, J. Therm. Anal., 13, 283 (1978)

[7] Branda F, Costantini A, Buri A, Thermochim. Acta, 217, 207 (1993)

[8] Omori K, Am. Mineral., 56, 1607 (1971)

[9] Goel A, Shaaban ER, Tulyaganov DU, Ferreira JMF, J. Am. Ceram. Soc., 91(8), 2690 (2008)

[10] Karamanov A, Arrizza L, Matekovits I, Pelino M, Ceram. Int., 30, 2129 (2004)

[11] Karamanov A, Pelino M, J. Eur. Ceram. Soc., 19, 649 (1998)

[12] Knoche R, Dingwell DB, Webb SL, Geochim. Cosmochim. Acta, 56, 689 (1992)

[13] Salama SN, Darwish H, Mosallam HAA, J. Eur. Ceram. Soc., 25, 1133 (2005)