Effects of sintering temperature on properties of Na0.5K0.5NbO3-LiSbO3-BiFeO3 lead free ceramics

被引：6
|
作者：
Liu, X. Y. [1 ,2 ]
Jiang, M. H. [1 ,2 ]
Chen, G. H. [2 ]
Cheng, J. [2 ]
Zhou, X. J. [2 ]
机构：
[1] Cent S Univ, Coll Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China
[2] Guilin Univ Elect Technol, Guangxi Key Lab Informat Mat, Guilin 541004, Peoples R China
来源：
ADVANCES IN APPLIED CERAMICS | 2010年 / 109卷 / 06期
关键词：
0.95K(0.5)Na(0.5)NbO(3)-0.05LiSbO(3); BiFeO3; Sintering temperature; Perovskites; Piezoelectric; FREE PIEZOELECTRIC CERAMICS; (K0.5NA0.5)NBO3 CERAMICS; ELECTRICAL-PROPERTIES; MICROSTRUCTURE;
D O I：
10.1179/174367609X422162
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 0.95K(0.5)Na(0.5)NbO(3)-0.05LiSbO(3) (KNN-LS) ceramics doped with 0.4 mol.-% BiFeO3 (BF) have been prepared by the conventional mixed oxide method with sintering temperature at 1065-1135 degrees C in this paper. The samples are characterised by X-ray diffraction analysis and scanning electron microscopy. The dielectric and piezoelectric properties are also investigated. The results present that initially the increase in the sintering temperature is very effective in improving the density and electric properties. However, the properties of the samples would be deteriorated as they are sintered over the optimum temperature. The KNN-LS (doped with 0.4%BF) ceramics shows excellent properties with sintering temperature at 1100 degrees C.
引用
收藏
页码：324 / 327
页数：4
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