High-temperature X-ray diffraction analysis and reactive sintering of BaTiO3 piezoelectric ceramics

被引：4

作者：

Kawashima, Tasuku ^{[1
]}

Suzuki, Yoshikazu ^{[1
,2
]}

机构：

[1] Univ Tsukuba, Grad Sch Pure & Appl Sci, Tsukuba, Ibaraki 3058573, Japan

[2] Univ Tsukuba, Fac Pure & Appl Sci, Tsukuba, Ibaraki 3058573, Japan

来源：

JOURNAL OF THE CERAMIC SOCIETY OF JAPAN | 2015年 / 123卷 / 1434期

关键词：

BaTiO3; High-temperature X-ray diffraction; Reactive sintering; Piezoelectric material; Curie temperature; Dielectric constant; BARIUM-TITANATE; MICROSTRUCTURE; HISTORY;

D O I：

10.2109/jcersj2.123.83

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：

Barium titanate is a potential lead-free piezoelectric ceramic with high dielectric and piezoelectric constants. In this study, the reaction behavior of a mixed powder of BaCO3 and anatase TiO2 was investigated by using high-temperature X-ray diffraction analysis. Frequency and temperature dependences of the dielectric constant were studied for the reactively-sintered BaTiO3 ceramics. Relatively high piezoelectric constant (d(33) similar to 120 pC/N) was obtained for BaTiO3 reactively-sintered at 1300 degrees C for 2 h, even with a density only of 3 similar to 85%, which implies the future improvement for reactively-sintered BaTiO3. (C) 2015 The Ceramic Society of Japan. All rights reserved.

引用

页码：83 / 85

页数：3

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