EFFECT OF POLING FIELD ON ELASTIC CONSTANTS IN PIEZOELECTRIC CERAMICS

被引：0

作者：

Ogawa, Toshio ^{[1
]}

Ishii, Keisuke ^{[1
]}

Matsumoto, Tsubasa ^{[1
]}

Nishina, Takayuki ^{[1
]}

机构：

[1] Shizuoka Inst Sci & Technol, Dept Elect & Elect Engn, Shizuoka 4378555, Japan

来源：

PROCESSING AND PROPERTIES OF ADVANCED CERAMICS AND COMPOSITES V | 2013年 / 240卷

关键词：

MORPHOTROPIC PHASE-BOUNDARY; FERROELECTRIC PROPERTIES; ELECTRICAL-PROPERTIES; CRYSTAL ORIENTATION; DEPENDENCE;

D O I：

暂无

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：

Elastic constants were measured in piezoelectric ceramics composed of lead zirconate titanate, lead titanate, alkali niobate and alkali bismuth titanate. While ferroelectric domain switching and domain rotation can be explained by DC poling field dependence of dielectric and piezoelectric properties, Young's modulus and Poisson's ratio toward poling field were investigated by measuring longitudinal and transverse wave velocities to clarify the relationships between high piezoelectricity, domain clamping and the values. Basically, increasing domain alignment by applying DC poling field, longitudinal wave velocity increased and transverse wave velocity decreased. As a result, Young's modulus decreased in lead zirconate titanate and alkali niobate, and moreover, increased in lead titanate and alkali bismuth titanate. Poisson's ratio increased despite the ceramic compositions.

引用

页码：267 / 276

页数：10

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