Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Relationship Between Coefficient of Thermal Expansion and Glass Transition Temperature in Phosphate Glasses

인산염유리의 선팽창계수와 유리전이온도의 관계

  • 전재삼 (순천대학교 재료·금속공학과) ;
  • 차명룡 (순천대학교 재료·금속공학과) ;
  • 정병해 (순천대학교 재료·금속공학과) ;
  • 김형순 (순천대학교 재료·금속공학과)
  • Published : 2003.11.01
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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.

인삼염유리는 전자부품분야에서 저온소성유리로 그 활용범위가 넓은 편이나 높은 열팽창계수로 알칼리 산화물 등을 첨가하여 그 특성을 조정하고 있다. 본 연구에서는 P$_2$O$_{5}$-SnO-ZnO-SiO$_2$/B$_2$O$_3$ 유리계에 대하여 열적특성으로 선팽창계수와 유리전이온도, 용융온도 등을 측정하여 그들 값의 상관관계를 고찰하였다. 이러한 결과는 다른 인삼염 유리와 비교하였을때 선팽창계수와 유리전이온도의 곱이 일정한 값으로 나타나서 이들 중의 하나의 값으로부터 간접적으로 다른 변수를 측정 할 수 있는 한 방법이 될 수 있다.

Keywords

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