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J. Korean Ceram. Soc. > Volume 32(2); 1995 > Article
Journal of the Korean Ceramic Society 1995;32(2): 183.
불화 유리의 냉각 속도 효과
선문대학교 재료공학과
Cooling Speed Effects of Fluoride Glasses
The properties of the glasses are not dominantly dependent on the chemical composition, temperature, and pressure but also on the thermal history. For example, electrical, thermal, optical, and mechanical properties are all known to be strongly dependent on the thermal history. Fluoride glasses have received a great deal of attention as candidate materials for an infra-red transmitting medium. A series of fluoride glasses and fibers were prepared under a nitrogen atmosphere. Thermal history effects of the fluoride glass fibers associated with the fast cooling rate employed during the fiber drawing process were discussed in terms of the glass temperatures and the fictive temperatures on the basis of the results obtained from the Differential Scanning Calorimeter (DSC) measurements of the fiber and bulk forms of the same chemical composition.
Key words: Fluoride glass, Thermal history, Fictive temperature
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