Low dielectric and high frequency glass-ceramic in the system CaO-B2O3-SiO2

被引：10
|
作者：
Wang, SH [1 ]
Zhou, HP [1 ]
Luo, LH [1 ]
Qiao, L [1 ]
机构：
[1] Tsing Hua Univ, Dept Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China
来源：
HIGH-PERFORMANCE CERAMICS 2001, PROCEEDINGS | 2002年 / 224-2卷
关键词：
low-sintering temperature; high frequency; glass ceramic;
D O I：
10.4028/www.scientific.net/KEM.224-226.31
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：
Crystallization and dielectric properties of glass ceramics developed in the system CaO-B2O3-SiO2 were investigated. The glass ceramic sintered at 850degreesC in air exhibit a low dielectric constant (epsilon(r) = 4.975) and a low dielectric loss (tgdelta less than or equal to 0.001) at high frequency (1 GHz). The sintered sample consisted of 75-80% volume percentage of crystalline phases with the size ranging from 50 to 100 nm. The main crystalline phases in the sample are CaO.B2O3, 6CaO.4SiO(2) and CaO.SiO2.
引用
收藏
页码：31 / 32
页数：2
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