期刊
CERAMICS INTERNATIONAL
卷 46, 期 9, 页码 14173-14177出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2020.02.224
关键词
Glass-ceramics; TiO2; Structure; Self-crystallization; Ba2LaF7
资金
- National Natural Science Foundation of China [11774138, 11664022, 51862020]
- Natural Science Foundation of Yunnan Province [2019HC016]
- Kunming University of Science and Technology [KKSY201632046]
The structural regulations of Ba2LaF7 self-crystallized glass-ceramics were successfully analyzed by adjusting the concentration of the doped TiO2. Increasing the doping concentration of TiO2 tightened the internal structure of the glass and depleted the self-crystallization of Ba2LaF7. Further analysis revealed that TiO2 acts as a nucleating agent in the glass-ceramics. However, the number of the crystal nuclei increased, and the growth of the crystal grains was reduced. The change in the internal structure of the glass-ceramics was due to the varying selfcrystallization process of Ba2LaF7 in the glass-ceramics and was not directly caused by the incorporation of TiO2.
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