J. Korean Ceram. Soc. > Volume 40(11); 2003 > Article
 Journal of the Korean Ceramic Society 2003;40(11): 1127. doi: https://doi.org/10.4191/kcers.2003.40.11.1127
 인산염유리의 선팽창계수와 유리전이온도의 관계 전재삼, 차명룡, 정병해, 김형순 순천대학교 재료·금속공학과 Relationship Between Coefficient of Thermal Expansion and Glass Transition Temperature in Phosphate Glasses ABSTRACT Phosphate glasses known for low melting temperature glasses in electrical parts has been recently used in wide area with modification of thermal properties using alkali oxides. It is our purpose to find a correlation between thermal expansion coefficient, glass transition temperature and melting temperature through investigating thermal properties in P$_2$O$sub$5/-SnO-ZnO-SiO$_2$/B$_2$O$_3$. As a result, the product of thermal expansion coefficient and the glass transition temperature in the glasses is found to be a constant value would be a unique value for knowing one of thermal properties. Key words: Phosphate glasses, Thermal expansion coefficient, Glass transition temperature
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