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J. Korean Ceram. Soc. > Volume 52(1); 2015 > Article
Journal of the Korean Ceramic Society 2015;52(1): 23.
doi: https://doi.org/10.4191/kcers.2015.52.1.23
이온강화 소다라임 유리의 열처리에 따른 강화 풀림현상
황종희, 임태영, 이미재, 김진호
한국세라믹기술원 전자소재융합본부 광디스플레이소재팀
Degradation of Ion-exchange Soda-lime Glasses Due to a Thermal Treatment
Jonghee Hwang, Tae-Young Lim, Mi Jai Lee, Jin-Ho Kim
Optic & Display Materials Team, Electronic Materials Convergence Division, Korea Institute of Ceramic Engineering & Technology
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 $350^{circ}C$.
Key words: Ion-exchange, Soda-lime glass, Thermal treatment, Degradation, Glass composition
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