Effect of fluoride ions on the preparation of transparent glass ceramics based on crystallization of barium borates

被引：33
|
作者：
Abdel-Hameed, SAM [1 ]
Ghoniem, NA
Saad, EA
Margha, FH
机构：
[1] Natl Res Ctr, Glass Res Dept, Cairo 12622, Egypt
[2] Ain Shams Univ, Fac Sci, Dept Inorgan Chem, Cairo, Egypt
来源：
CERAMICS INTERNATIONAL | 2005年 / 31卷 / 04期
关键词：
glass ceramics; nanocrystalline; transparent; fluoride; barium borate;
D O I：
10.1016/j.ceramint.2004.05.028
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Formation of transparent glass-ceramics based on crystallization of barium borate (BBO) crystals from BaO center dot B2O3 glass-systems, with and without addition of BaF2 has been investigated. Crystallization of glass-samples was done by controlled thermal heat-treatment, at nucleation and crystallization temperatures, for different times and rates. When the glasses were heat-treated at the nucleation temperature, transparent glass-ceramics containing 0.1-0.3 mu m BBO crystals were prepared. It is obvious that fluorine influences the transparency of glass-ceramics. (c) 2005 Published by Elsevier Ltd and Techna Group S.r.l.
引用
收藏
页码：499 / 505
页数：7
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