锂铝硅玻璃的研究进展

摘要/Abstract

摘要： 与传统的钠钙硅玻璃和高铝玻璃相比,锂铝硅玻璃具有网络结构致密、弹性模量较高和适宜两步法化学钢化等特点,被视为第三代高强玻璃基板,可用作电子信息产品盖板、航空透明器件以及舰船、特种车辆的观察窗口等。目前,锂铝硅玻璃的研究主要涉及:(1)探究锂铝硅玻璃的“组成-结构-性能”本构关系,为设计优化高性能锂铝硅玻璃提供理论指导和性能预测;(2)改进现有溢流和浮法成型方法和装备,满足大尺寸、多厚度和高尺寸精度锂铝硅玻璃成型需要;(3)研究锂铝硅玻璃的两步法化学增强方法,解决表面压应力和应力层深度同步提升难题,显著提高玻璃强度、硬度和抗跌落性能。本文基于上述三个方面综述了锂铝硅玻璃的国内外研究进展。

关键词: 锂铝硅玻璃, 网络结构, 力学性能, 溢流法成型, 浮法成型, 化学钢化

Abstract: Compared with traditional soda lime silicate glass and high alumina silicate glass, lithium aluminum silicate glass has the characteristics of dense network structure, high elastic modulus, suitable for two-step chemical strengthening and so on. It is regarded as the third generation high strength glass substrate and can be used for the cover plate of electronic information products, aviation transparent parts, observation windows of ships and special vehicles and so on. At present, the research on lithium aluminum silicate glass mainly involves: (1) Exploring relationship among composition, structure and performance so as to provide theoretical guidance and performance prediction for the design and optimization of high-performance lithium aluminum silicate glass. (2) Improving the existing overflow and float forming methods and equipment to realize the preparation of large-size, multi-thickness and high-precision lithium aluminum silicate glass. (3) The two-step chemical strengthening method of lithium aluminum silicate glass is studied to break through the problem of synchronous improvement of surface compressive stress and stress layer depth, and significantly improve the strength, hardness and drop resistance of the glass. The worldwide research progress of lithium aluminum silicate glasses from the three above-mentioned perspectives were summarized.

Key words: lithium aluminum silicate glass, network structure, mechanical property, float forming, overflow forming, chemical strengthening

中图分类号:

TQ171

王衍行, 李现梓, 韩韬, 杨鹏慧, 祖成奎. 锂铝硅玻璃的研究进展[J]. 硅酸盐通报, 2022, 41(6): 2143-2152.

WANG Yanhang, LI Xianzi, HAN Tao, YANG Penghui, ZU Chengkui. Research Progress on Lithium Aluminum Silicate Glass[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2022, 41(6): 2143-2152.

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