Densification and microwave properties of low-temperature co-fired CaO-B2O3-SiO2 glass-ceramic with La-B-Si additions

被引：0
|
作者：
Zhou, Xiaohua [1 ]
Li, Enzhu [1 ]
Yang, Shilin [1 ]
Li, Bo [1 ]
Tang, Bin [1 ]
Yuan, Ying [1 ]
Zhang, Shuren [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Microelect & Solid State Elect, Chengdu 610054, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MATERIALS RESEARCH | 2013年 / 104卷 / 06期
关键词：
CaO-B2O3-SiO2; Glass-ceramic; La2O3-B2O3-SiO2; Microwave properties; Flexural strength;
D O I：
10.3139/146.110930
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Densification behavior, microwave and mechanical properties of the low temperature co-fired CaO-B2O3-SiO2 glass-ceramic with additions of La2O3-B2O3 and SiO2 were investigated. The results showed that the La2O3-B2O3 addition promotes the crystallization of the CaSiO3 and clearly enhances the flexural strength of the CaO-B2O3-SiO2 glass-ceramics. Si was added to adjust the shrinkage rate of the glass-ceramics to meet the actual use and the dielectric and mechanical properties were not significantly "affected. The CaO-B2O3-SiO2-6 wt.%La2O3-B2O3-7 wt.%Si sample showed a flexural strength of 160 MPa, epsilon(r) of 6.13 and loss of 12.34 x 10(-4) (10 GHz), shrinkage rate of 14.9%.
引用
收藏
页码：606 / 608
页数：3
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