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J. Korean Ceram. Soc. > Volume 25(6); 1988 > Article
Journal of the Korean Ceramic Society 1988;25(6): 665.
이온교환에 따른 비정질 고체재료의 특성화(II) : 기계적 물성 거동
이동인, 이용근, 이희수
연세대학교 요업공학과
Characterization of Glasses by Ion-Exchange(II) : Behavior of Mechanical Properties
ABSTRACT
The behavior of mechanical properties of ion exchanged glasses was investigated in this study. The used glasses were soda-lime-silica glasses that were produced by float process. The maximum values of the bending strength and the curvature depth are 45Kg/$textrm{mm}^2$ and 8.6mm respectively treated at 45$0^{circ}C$ for 6h, which are 4.4 times and 3.3 times higher than parent glass. In the case, the thermalshock resistance ΔT is 335$^{circ}C$ that is 205$^{circ}C$ higher than parent glass, which is the maximum values in this study. The maximum values of the surface microhardness is 490Kg/$textrm{mm}^2$ in case of 43$0^{circ}C$ for 4h. It is also found out that annealing points are increased linearly with increasing the amount of K+ ion exchange independent of treatment temperature. Furthermore, the present work shows that the ion exchange strengthened glasses are more effective than the physical tempering glasses ; the bending strength and the curvature depth are 1.8 times and twice higher respectively.
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