Lead-free (K0.5Na0.5)0.95(LiSb)0.05Nb0.95O3-BaTiO3 piezoceramics

被引：5
|
作者：
Zang, Guo-Zhong [1 ]
Yi, Xiu-Jie [1 ]
Xu, Zhi-Jun [1 ]
Pu, Xi-Peng [1 ]
Fu, Peng [1 ]
Zhao, Li-Min [1 ]
机构：
[1] Liaocheng Univ, Sch Mat Sci & Engn, Liaocheng 252059, Peoples R China
来源：
JOURNAL OF ELECTROCERAMICS | 2010年 / 25卷 / 01期
基金：
中国国家自然科学基金; 国家高技术研究发展计划(863计划);
关键词：
Piezoceramics; Lead-free; Potassium sodium niobate; Piezoelectric properties; PIEZOELECTRIC PROPERTIES; CERAMICS; MICROSTRUCTURE; BEHAVIOR;
D O I：
10.1007/s10832-009-9592-9
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：
Lead-free (1-x)(K0.5Na0.5)(0.95)(LiSb)(0.05)Nb0.95O3-xBaTiO(3) (abbreviated as (1-x)KNNLS-xBT) piezoceramics were synthesized by conventional solid state sintering and the effect of BaTiO3 on the microstructure, dielectric and piezoelectric properties was investigated. It was found that both orthorhombic-tetragonal (T (O-T)) and tetragonal-cubic (T (C)) phase transition temperatures decreased obviously with increasing BaTiO3 content. Although proper amount of BaTiO3 facilitated the sintering of (1-x)KNNLS-xBT ceramics, the addition of BaTiO3 affected the relaxor behavior slightly and it was not beneficial to improve piezoelectric strain coefficient d (33), remnant polarization P (r) and piezoelectric coupling constant k (p).
引用
收藏
页码：85 / 88
页数：4
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