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J. Korean Ceram. Soc. > Volume 20(3); 1983 > Article
Journal of the Korean Ceramic Society 1983;20(3): 243.
$MgO-SiO_2$ 계 자기에 관한 연구(II)
이응상, 이종근, 최성철1, 안기성
A Study on the Porcelain Body of $MgO-SiO_2$ System(II)
This study has examined on the effect for the fitting in porcelain body of MgO-SiO system. The mixture was made of correponding in the theoretical composition of enstatite with Kyul Sung Talc and sea water magnesia cake. Hyup Jin Kaolin as clay minerals to give the mixture plasticity was added 10% by weight of the mixture. Feldspar was added inv various kinds of 1%-20% by weight of the above mixture. After the physical properties and microstructures were carefully examined the following results were obtained. 1. The addition amount of feldspar should generally be from 5% to 10% by weight of the mixture to be good for the properties of the strength and the range of the firing temperature. 2. The 5% addition amount of feldspar was good for the apparent bulk density. 3. 5% and 10% additions showed up stably excellant with respect to the various properties Therefore when we considered the apparent bulk density and the thermal shock resistance 5% addition amount of feldspar showed the most excellant properties between $1350^{circ}C$ and $1400^{circ}C$
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