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首页> 外文期刊>Journal of the Ceramic Society of Japan >Effect of B2O3 substitution for SiO2 in alkali aluminoborosilicate glasses on chemical strengthening
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Effect of B2O3 substitution for SiO2 in alkali aluminoborosilicate glasses on chemical strengthening

机译：SiO2在碱铝硼硅酸盐玻璃中的B2O3取代对化学强化的影响

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摘要

This study reports the strengthening effect of partially substituting SiOsub2/sub with Bsub2/subOsub3/sub in aluminoborosilicate (ALBS) glasses. Specifically, it investigates how the Bsub2/subOsub3/sub addition affects the ion-exchange behavior of the glass. The base composition of ALBS glass is 13Nasub2/subO–5Ksub2/subO–7MgO–15Alsub2/subOsub3/sub–12Bsub2/subOsub3/sub–48SiOsub2/sub (mol %). In the prepared samples, the proportion of Bsub2/subOsub3/sub was varied from 0 to 16 mol %. The Nasup+/sup/Ksup+/sup inter-diffusion coefficient of each sample was estimated from the Ksup+/sup ion concentration profile collected along the cross-section of each sample after immersion in molten KNOsub3/sub at ( T g × 0.83) K (where T g is the glass transition temperature) for 8 h. Adding only a small amount of Bsub2/subOsub3/sub drastically changed the Ksup+/sup ion concentration profile. In contrast, the activation energy of the Nasup+/sup/Ksup+/sup inter-diffusion was almost independent of Bsub2/subOsub3/sub content. These results suggest that the Bsub2/subOsub3/sub incorporated in the glasses simply acts as a flux component. These findings are useful for designing compositions that strengthen ion-exchanged glasses.
机译：本研究报告了将SiO 2 用B 2 / sup>在铝硼硅酸盐（ALB）玻璃中的2℃> 3℃> 3 中的强化效应。具体地，研究了B 2 O 3 加法如何影响玻璃的离子交换行为。 ALB玻璃的基础组成是13NA 2 O-5K 2 O-7MGO-15AL 2 O 3 - 12b 2 O 3 -48sio 2 （mol％）。在制备的样品中，B 2 O 3 的比例从0〜16mol％变化。从沿横截面收集的K + 离子浓度分布估计每个样品的Na + / sup> / k + 延伸系数浸入熔融kno 3℃（t g×0.83）k（其中t g是玻璃化转变温度）的每个样品以搅拌8小时。仅增加少量B 2 O 3 大大改变了k + 离子浓度分布。相反，Na + / k + 间扩散的激活能量几乎与b 2 O 3 内容。这些结果表明，在眼镜中结合的B 2 O 3 仅作为磁通组分起作用。这些发现对于设计加强离子交换玻璃的组合物是有用的。

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