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http://dx.doi.org/10.6111/JKCGCT.2018.28.6.229

The properties of glass ceramics of Li2O-Al2O3-SiO2 system according to nucleation agent  

Park, Hyun-Wook (Korea Institute of Ceramic Engineering and Technology, Optic & Display Material Center)
Lee, Ji-Sun (Korea Institute of Ceramic Engineering and Technology, Optic & Display Material Center)
Lim, Tae-Young (Korea Institute of Ceramic Engineering and Technology, Optic & Display Material Center)
Hwang, Jonghee (Korea Institute of Ceramic Engineering and Technology, Optic & Display Material Center)
Ra, Yong-Ho (Korea Institute of Ceramic Engineering and Technology, Optic & Display Material Center)
Noh, Myoung-Rae (Samkwang Glass CO. LTD.)
Seo, Kwan-Hee (Samkwang Glass CO. LTD.)
Kim, Jin-Ho (Korea Institute of Ceramic Engineering and Technology, Optic & Display Material Center)
Publication Information
Journal of the Korean Crystal Growth and Crystal Technology / v.28, no.6, 2018 , pp. 229-234 More about this Journal
Abstract
The glass-ceramic of $Li_2O-Al_2O_3-SiO_2$ system was synthesized by using $ZrO_2$, $ZrSiO_4$, $ZrOCl_2$ and $Zr(SO_4)_2$, which is a raw material of Zr serving as a nucleation agent. It was confirmed that Avrami parameter of these four glasses is over 3 for bulk crystallization. The glass synthesized by $ZrOCl_2$, and $Zr(SO_4)_2$ showed high melting quality during the melting process. It is also observed that the Zr component is uniformly distributed in the glass. Various characterizations was evaluated, including composition analysis and bending strength.
Keywords
Glass-Ceramic; Crystallization; Nucleation agent; Avrami parameter; DTA;
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