Influence of domain orientation on the mechanical properties of lead zirconate titanate piezoelectric ceramics

被引：9
|
作者：
Okayasu, Mitsuhiro [1 ]
Sato, Kazuto [1 ]
Mizuno, Mamoru [1 ]
机构：
[1] Akita Prefectural Univ, Dept Machine Intelligence & Syst Engn, Yurihonjo City, Akita 0150055, Japan
来源：
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2011年 / 31卷 / 1-2期
关键词：
PZT ceramic; PZT; Mechanical properties; Failure analysis; Fracture; RHOMBOHEDRAL PZT; CRACK-GROWTH; X-RAY; FATIGUE; STRAIN;
D O I：
10.1016/j.jeurceramsoc.2010.09.003
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：
The influence of domain orientation on the mechanical properties of lead zirconate titanate (PZT) piezoelectric ceramics has been investigated using un-poled and poled PZT ceramics High mechanical properties, e g, high elastic modulus and compressive strength, were obtained for the polarized PZT ceramics due to strain hardening caused by more severe domain switching during the loading process while low mechanical properties for the un-poled ceramics Fracture mechanics of the ceramics were influenced by the direction of the tetragonal lattice structure since cracks propagate along the long axis of the tetragonal structure (c-axis) Using X-ray diffraction and electron back scatter diffraction analysis the domain switching characteristics could be clarified (C) 2010 Elsevier Ltd All rights reserved
引用
收藏
页码：141 / 150
页数：10
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