研究目的
To review recent advances in the science and technology of glass chemical strengthening and discuss newer applications.
研究成果
The paper concludes that the science of stress development and relaxation in chemically strengthened glass is now well understood. It highlights advancements in technology, such as the strengthening of thin float glass with reduced warp and the development of new applications in pharmaceutical packaging, vehicular transparencies, architectural glass, and ballistic armor. The need for thinner, lighter, yet stronger glass substrates in various technologies has renewed interest in glass chemical strengthening.
研究不足
The paper notes the high cost of the chemical strengthening process due to hours-long immersion and the sensitivity of strengthened glasses to handling practices. It also mentions the challenge of salt bath maintenance and the need for further understanding in this area.
1：Experimental Design and Method Selection:
The paper reviews the science and technology of glass chemical strengthening, including the understanding of compressive stress development and the resolution of the 'dilation anomaly'.
2：Sample Selection and Data Sources:
The study references various glass products and technologies, including aircraft cockpit windshields, photocopier transparencies, hard disks, display covers for mobile electronic devices, and glass packaging for pharmaceuticals.
3：List of Experimental Equipment and Materials:
Mentions the use of KNO3 salt baths for ion exchange, additives for salt bath maintenance, and techniques for reducing warp in thin float glasses.
4：Experimental Procedures and Operational Workflow:
Describes the ion exchange process, including the role of temperature and time, and the impact of impurities in the salt bath.
5：Data Analysis Methods:
Discusses the use of molecular dynamics simulation to understand stress development and relaxation in chemically strengthened glass.
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