熔盐成分对高铝玻璃化学钢化性能的影响
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摘要
在不同成分的熔盐内对高铝玻璃以不同的时间及温度进行了化学钢化处理,测试对比了样品的钢化应力及离子交换深度。结果表明:钢化应力在温度较低时随钢化时间呈先增后减趋势,温度较高时随钢化时间呈对数衰减趋势;离子交换深度在相同时间下随温度提高而增大,在同一温度下随钢化时间呈对数增长趋势;添加高熔点钾盐对提升钢化应力明显提升,在一定范围内钢化应力与添加量呈正相关,应力增幅在温度较低时体现明显;氢氧化钾的使用能明显提升钢化效果,且在温度较低时效果更佳。
The high alumina glass was chemically toughened at different time and temperature in molten salt of different components, and the steel stress and ion exchange depth of the sample were tested and compared. The results show that the toughened stress first increases and then decreases with the time of toughening increase when the temperature is lower, and then logarithmic decrement with the time of toughening increase when the temperature is higher. The ion-exchange depth increases with temperature in the same time, and logarithmic growth with toughening time increase in the same temperature. The toughening stress significantly increased by addition of high-melting potassium salt, and within a certain range, the toughening stress was positively correlated with the additive amount, and the stress increase obviously when the temperature is lower. The application of potassium hydroxide can further enhance the toughening effect obviously, and the effect is better when the temperature is lower.
The high alumina glass was chemically toughened at different time and temperature in molten salt of different components, and the steel stress and ion exchange depth of the sample were tested and compared. The results show that the toughened stress first increases and then decreases with the time of toughening increase when the temperature is lower, and then logarithmic decrement with the time of toughening increase when the temperature is higher. The ion-exchange depth increases with temperature in the same time, and logarithmic growth with toughening time increase in the same temperature. The toughening stress significantly increased by addition of high-melting potassium salt, and within a certain range, the toughening stress was positively correlated with the additive amount, and the stress increase obviously when the temperature is lower. The application of potassium hydroxide can further enhance the toughening effect obviously, and the effect is better when the temperature is lower.
引文
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[2]王沛钊.浮法超薄玻璃化学钢化的研究进展[J].建材世界,2017,38(02):1-6.
[3]王琦,樊进军.两种高铝玻璃化学钢化性能分析[J].玻璃,2013,40(06):47-48.
[4]韩丽.离子交换法制备显示器件用化学钢化玻璃基板[J].材料导报,2010,24(18):97-99.
[5]陈福,安百江,杨宝珠.显示屏用薄玻璃的化学钢化及性能分析[J].玻璃,2012,39(05):45-47.
[6]王承遇,卢琪,陶瑛.手机玻璃面板化学钢化若干问题的探讨[J].玻璃与搪瓷,2015,43(04):15-19.
[7]李西川,孟玲,李振,等.碱性助剂对玻璃化学钢化性能的影响研究[J].硅酸盐通报,2015,34(08):2414-2418.
[8]王立祥,刘振甫,金文国.影响化学钢化玻璃质量的因素分析[J].玻璃,2012,39(04):27-31.
[9]王沛钊,吴亚,丁小叶,等.浮法超薄玻璃化学钢化及性能研究[J].硅酸盐通报,2016,35(05):1622-1626.
[10]张峙琪,李伟捷,杨修春,等.超薄玻璃化学钢化的研究进展[J].玻璃与搪瓷,2009,37(04):40-45.