Influence of Li2O-B2O3-SiO2 glass on the sintering behavior and microwave dielectric properties of BaO-0.15ZnO-4TiO2 ceramics

被引：22
|
作者：
Duan, Shuxin [1 ]
Li, Enzhu [1 ]
Chen, Hetuo [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：
CERAMICS INTERNATIONAL | 2016年 / 42卷 / 07期
基金：
中国国家自然科学基金; 高等学校博士学科点专项科研基金;
关键词：
BaO-0.15ZnO-4TiO(2); LTCC; Li2O-B2O3-SiO2 (LBS); Microwave dielectric ceramics; HIGH-PERMITTIVITY; SYSTEM;
D O I：
10.1016/j.ceramint.2016.01.174
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：
This paper reports the investigation of the performance of Li2O-B2O3-SiO2 (LBS) glass as a sintering aid to lower the sintering temperature of BaO-0.15ZnO-4TiO(2) (BZT) ceramics, as well as the detailed study on the sintering behavior, phase evolution, microstructure and microwave dielectric properties of the resulting BZT ceramics. The addition of LBS glass significantly lowers the sintering temperature of the BZT ceramics from 1150 degrees C to 875-925 degrees C. Small amount of LBS glass promotes the densification of BZT ceramic and improves the dielectric properties. However, excessive LBS addition leads to the precipitation of glass phase and growth of abnormal grain, deteriorating the dielectric properties of the BZT ceramic. The BZT ceramic with 5 wt% LBS addition sintered at 900 degrees C shows excellent microwave dielectric properties: epsilon(r) = 27.88, Q x f = 14,795 GHz. (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：7943 / 7949
页数：7
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