Stress- and strain-relaxation in lead zirconate titanate based ceramics

被引：1
|
作者：
Huang, HT [1 ]
Zhang, TS [1 ]
Oh, JT [1 ]
Hing, P [1 ]
机构：
[1] Nanyang Technol Univ, Adv Mat Res Ctr, Sch Mat Engn, Singapore 639798, Singapore
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2002年 / 75卷 / 1-3期
关键词：
stress relaxation; strain relaxation; ferroelectrics; PZT; mechanical properties;
D O I：
10.1016/S0254-0584(02)00053-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The stress- and strain-relaxation behavior of lead zirconate titanate based ceramics is studied by using the three-point bending test. The relaxation behavior has been explained based on the domain reorientation mechanism. It is found that the stress relaxation behavior obeys a logarithmic time law. It has also been experimentally confirmed that above the Curie temperature where all the domains disappear, there is no relaxation in the ferroelectric ceramics. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：186 / 189
页数：4
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