Na+浓度对化学增强钠铝硅酸盐玻璃性能的影响

硅酸盐通报 ›› 2022, Vol. 41 ›› Issue (11): 3945-3951.

所属专题：玻璃

Na⁺浓度对化学增强钠铝硅酸盐玻璃性能的影响

田昊东, 徐驰, 吴志远, 周绍骏, 祖成奎

中国建筑材料科学研究总院有限公司,北京 100024

收稿日期:2022-10-09 修订日期:2022-10-29 出版日期:2022-11-15 发布日期:2022-12-12
通信作者: 徐驰,教授级高级工程师。E-mail:xuchi@cbma.com.cn
作者简介:田昊东(1997—),男,硕士研究生。主要从事玻璃化学强化技术的研究。E-mail:Ttianhd@163.com
基金资助:
中国建材集团攻关专项资助(2021HX1112)

Effect of Na⁺ Concentration on Properties of Chemical Strengthened Sodium Aluminosilicate Glass

TIAN Haodong, XU Chi, WU Zhiyuan, ZHOU Shaojun, ZU Chengkui

China Building Materials Academy, Beijing 100024, China

Received:2022-10-09 Revised:2022-10-29 Online:2022-11-15 Published:2022-12-12

摘要/Abstract

摘要： 熔盐中少量的Na⁺并不会对玻璃的离子交换效果产生明显影响,但当熔盐中Na⁺浓度不断增大时,化学增强钠铝硅酸盐玻璃的性能开始受到影响。本文采用一步法离子交换工艺研究了熔盐中Na⁺浓度对不同厚度化学增强钠铝硅酸盐玻璃表面压应力、应力层深度和弯曲强度等性能的影响。研究表明:熔盐中Na⁺浓度不断增大时,化学增强钠铝硅酸盐玻璃的表面压应力、弯曲强度下降;弯曲强度下降最多可达175 MPa,此时玻璃的表面压应力下降了57.4 MPa;熔盐中Na⁺浓度变化未对化学增强钠铝硅酸盐玻璃的应力层深度和可见光透过率产生明显影响。

关键词: 钠铝硅酸盐玻璃, Na⁺浓度, 离子交换, 弯曲强度, 离子互扩散系数, 半无限扩散模型

Abstract: Marginal Na⁺ concentration in molten salt has not significant effects on ion-exchange process of glass. However, when the Na⁺ concentration in the molten salt continues to increase, the performance of chemical strengthened sodium aluminosilicate glass begins to be affected. To overcome this issue, one-step ion-exchange process was developed to reaserch chemical strengthened sodium aluminosilicate glass with different thickness. Effect of Na⁺ concentration in molten salt on surface compressive stress, depth of layer and bending strength of chemical strengthened sodium aluminosilicate glass were investigated. The results demonstrate that the surface compressive stress and bending strength of chemical strengthened sodium aluminosilicate glass decrease when the Na⁺ concentration in molten salt increases. The bending strength decreases by up to 175 MPa, while the surface compressive stress decreases by 57.4 MPa. The change of Na⁺ concentration in molten salt has not obviously effects on the depth of layer and visible light transmittance of chemical strengthened sodium aluminosilicate glass.

Key words: sodium aluminosilicate glass, Na⁺ concentration, ion-exchange, bending strength, interdiffusion coefficient of ion, semi-infinite diffusion model

中图分类号:

TQ171

田昊东, 徐驰, 吴志远, 周绍骏, 祖成奎. Na⁺浓度对化学增强钠铝硅酸盐玻璃性能的影响[J]. 硅酸盐通报, 2022, 41(11): 3945-3951.

TIAN Haodong, XU Chi, WU Zhiyuan, ZHOU Shaojun, ZU Chengkui. Effect of Na⁺ Concentration on Properties of Chemical Strengthened Sodium Aluminosilicate Glass[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2022, 41(11): 3945-3951.

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Na⁺浓度对化学增强钠铝硅酸盐玻璃性能的影响

Effect of Na⁺ Concentration on Properties of Chemical Strengthened Sodium Aluminosilicate Glass

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Na+浓度对化学增强钠铝硅酸盐玻璃性能的影响

Effect of Na+ Concentration on Properties of Chemical Strengthened Sodium Aluminosilicate Glass

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Na⁺浓度对化学增强钠铝硅酸盐玻璃性能的影响

Effect of Na⁺ Concentration on Properties of Chemical Strengthened Sodium Aluminosilicate Glass