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http://dx.doi.org/10.4191/kcers.2015.52.1.23

Degradation of Ion-exchange Soda-lime Glasses Due to a Thermal Treatment  

Hwang, Jonghee (Optic & Display Materials Team, Electronic Materials Convergence Division, Korea Institute of Ceramic Engineering & Technology)
Lim, Tae-Young (Optic & Display Materials Team, Electronic Materials Convergence Division, Korea Institute of Ceramic Engineering & Technology)
Lee, Mi Jai (Optic & Display Materials Team, Electronic Materials Convergence Division, Korea Institute of Ceramic Engineering & Technology)
Kim, Jin-Ho (Optic & Display Materials Team, Electronic Materials Convergence Division, Korea Institute of Ceramic Engineering & Technology)
Publication Information
Journal of the Korean Ceramic Society / v.52, no.1, 2015 , pp. 23-27 More about this Journal
Abstract
Recently, the use of ion-exchange strengthened glass has increased sharply, as it is now used as the cover glass for smart phone devices. Therefore, many researchers are focusing on methods that can be used to strengthen ion-exchange glass. However, research on how the improved strength can be maintained under thermal environment of device manufacturing is still insufficient. We tested the degradation of the characteristics of ion-exchange soda-lime glass samples, including their surface compressive stress characteristics, the depth of the ion-exchange layer (DOL), flexural strength, hardness, and modulus of rupture (MOR) values. Degradation of the characteristics of the ion-exchange glass samples occurred when they were heat-treated at a temperature that exceeded $350^{\circ}C$.
Keywords
Ion-exchange; Soda-lime glass; Thermal treatment; Degradation; Glass composition;
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