Study on effect of heat treatment temperature on crystallization behavior of Na 2 O-Y 2 O 3 -SiO 2 silicate glass system

Wentao Jia; Guanpeng Yao; Yu Yang; Yaohong Wang; Xiaofang Gao; Tang Gong; Xiaoyong Kou; Guangyi Xu

doi:10.1117/12.2686770

6 August 2023 Study on effect of heat treatment temperature on crystallization behavior of Na₂O-Y₂O₃-SiO₂ silicate glass system

Wentao Jia, Guanpeng Yao, Yu Yang, Yaohong Wang, Xiaofang Gao, Tang Gong, Xiaoyong Kou, Guangyi Xu

Author Affiliations +

Proceedings Volume 12781, International Conference on Optoelectronic Information and Functional Materials (OIFM 2023); 127813O (2023) https://doi.org/10.1117/12.2686770
Event: 2023 International Conference on Optoelectronic Information and Functional Materials (OIFM 2023), 2023, Guangzhou, JS, China

Abstract

The effect of heat treatment temperature on crystallization behavior of Na₂O-Y₂O₃-SiO₂ silicate glass system was studied by melting and crystallization method, and a kind of glass-ceramics containing Na₃YSi₂O₇ crystal phase was obtained. The structure and morphology of the glass-ceramics were studied by X-Ray Diffraction (XRD), Scanning Electron Microscopy (SEM) and transmittance. The results show that the average size of 280nm microcrystals can be obtained by holding the precursor glass at 610 °C for 2 h. With the increase of heat treatment temperature from 610 °C to 640 °C, the permeability of glass-ceramics began to decline, and the glass gradually changed into glass-ceramics, and finally emulsified into ceramics. The results show that Na₂O-Y₂O₃-SiO₂ silicate glass system is sensitive to temperature, and its microstructure changes obviously in a short time. Therefore, the glass containing Na₃YSi₂O₇ crystal phase is expected to become a new material with high performance, low price and wide application market because of its excellent performance, simple preparation technology and low manufacturing cost.

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Wentao Jia, Guanpeng Yao, Yu Yang, Yaohong Wang, Xiaofang Gao, Tang Gong, Xiaoyong Kou, and Guangyi Xu "Study on effect of heat treatment temperature on crystallization behavior of Na₂O-Y₂O₃-SiO₂ silicate glass system", Proc. SPIE 12781, International Conference on Optoelectronic Information and Functional Materials (OIFM 2023), 127813O (6 August 2023); https://doi.org/10.1117/12.2686770

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