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

页码：85 / 88

页数：4

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