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J. Korean Ceram. Soc. > Volume 44(1); 2007 > Article
Journal of the Korean Ceramic Society 2007;44(1): 65.
doi: https://doi.org/10.4191/kcers.2007.44.1.065
Plasma Display Panel용 기판 유리용융체의 내화물 침식
김기동, 정현수, 김효광
군산대학교 신소재나노화학공학부 신소재공학
Corrosion of Refractory in Glass Melts for Plasma Display Panel Substrate
Ki-Dong Kim, Hyun-Su Jung, Hyo-Kwang Kim
Department of Materials Science and Engineering, Kunsan National University
For self-developed alkali-alkaline earth-silicate and commercial glass melts for plasma display panel substrate, the corrosion behavior of fused casting refractory consisting of $Al_2O_3-ZrO_2-SiO_2$ was examined at the temperature corresponding to $10^2;dPa{cdot}s$ of melt viscosity by static finger methode. The corroded refractory specimens showed a typical concave shape due to interfacial convection of melts at their flux line. However, the corrosion thickness by commercial glass melts was $6sim10$ times comparing to that by the self?developed melts. From the view point of the glass composition and the role of alkaline earth in glass network, it was discussed the effect of alkali/alkaline earth diffusion and temperature on the refractory corrosion.
Key words: Plasma display panel substrate glasses, Refractory corrosion, Static finger methode, Flax line, Diffusion
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