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J. Korean Ceram. Soc. > Volume 16(1); 1979 > Article
Journal of the Korean Ceramic Society 1979;16(1): 21.
고팽창 결정화유리의 소지에 관한 연구
박용완, 강은태, 김용환
한양대학교 공과대학
Studies on the High Expansion Body of Glass Ceramics
This study is proposed to find an appropriate body for high expansion glass ceramics of ${Na}_2O-{Al}_2O_3-{SiO}_2$ system. The compositions of basic glasses are selected to be melted easily and to be crystallized into nepheline with various contents of alumina. The crystallization temperatures of basic glasses are determined by DTA. The crystals in the basic glasses developed by heat treatment are investigated by X-ray diffraction analysis, and thermal properties such as expansion coefficients, fusion points are measured. We find, therefore,that crystallization temperatures, crystal phases and thermal properties are affected by content of alumina.
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