BaO-TiO_2-Nd_2O_3微波陶瓷材料介电性能的改善研究  

THE IMPROVEMENT OF MICROWAVE CERAMICS OF SERIES BaO-TiO_2-Nd_2O_3

作　　者：吴坚强[1] 朱玉君[1] 胡伯文[1] 王群[1] 黄正初[1] 

机构地区：[1]景德镇陶瓷学院,333001

出　　处：《陶瓷学报》2003年第3期139-143,共5页Journal of Ceramics

摘　　要：研究了影响BaO -TiO2 -Nd2 O3微波陶瓷材料介电性能的机理 ,通过用Pb和Bi对BaO -TiO2 -Nd2 O3微波介质材料进行掺杂改性 ,得到了一种工艺稳定 ,品质因素Q值高 ,τf(谐振频率温度系数 )低 ,烧结温度较低 (12 70℃ )的微波陶瓷材料。该材料可用于制作介质滤波器及分米波通信设备用的小型。The factors that influence the microwave dielectric properties of series BaO-TiO 2-Nd 2O 3 ceramics were investigated.By doping BaO-TiO 2-Nd 2O 3 ceramics with Pb and Bi,the improved BaO-TiO 2-Nd 2O 3 ceramics with high Q(1/tgδ),low τ f and low sintering temperature were obtained.This kind of material is used to make dielectric filters and miniature,light and chip components for communication equipments in decimeter-wave region.

关 键 词：BaO-TiO2-Nd2O3 BTN微波陶瓷 介电性能 烧结温度 

分 类 号：TQ174.756[化学工程—陶瓷工业]