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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >The glass transition and crystallization kinetic studies on BaNaB9O15 glasses
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The glass transition and crystallization kinetic studies on BaNaB9O15 glasses

机译：BaNaB9O15玻璃的玻璃化转变和结晶动力学研究

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摘要

Transparent glasses of BaNaB9O15 (BNBO) were fabricated via the conventional melt-quenching technique. The amorphous and the glassy nature of the as-quenched samples were, respectively, confirmed by x-ray powder diffraction and differential scanning calorimetry (DSC). The glass transition and crystallization parameters were evaluated under non-isothermal conditions using DSC. The correlation between the heating rate dependent glass transition and the crystallization temperatures was studied and the Kauzmann temperature was deduced for BNBO glass plates and powdered samples. The values of the Kauzmann temperature for the plates and powdered samples were 776 K and 768 K, respectively. An approximation- free method was used to evaluate the crystallization kinetic parameters for the BNBO glass samples. The effect of the sample thickness on the crystallization kinetics of BNBO glasses was also investigated.
机译：BaNaB9O15（BNBO）透明玻璃是通过常规的熔融淬火技术制成的。通过X射线粉末衍射和差示扫描量热法（DSC）分别确认了淬火样品的非晶态和玻璃态性质。使用DSC在非等温条件下评估玻璃化转变和结晶参数。研究了加热速率依赖性玻璃化转变与结晶温度之间的相关性，并推导了BNBO玻璃板和粉末状样品的考兹曼温度。平板和粉末样品的考兹曼温度值分别为776 K和768K。无近似方法用于评估BNBO玻璃样品的结晶动力学参数。还研究了样品厚度对BNBO玻璃结晶动力学的影响。

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