Frequency effect on electrical fatigue behaviour of lead zirconate titanate ceramics

被引：4

作者：

Pojprapai, S. ^{[1
]}

Luo, Z. ^{[2
]}

Yimnirun, R. ^{[3
]}

机构：

[1] Suranaree Univ Technol, Sch Ceram Engn, Nakhon Ratchasima, Thailand

[2] Univ New S Wales, Sch Mat Sci & Engn, Sydney, NSW, Australia

[3] Suranaree Univ Technol, Sch Phys, Nakhon Ratchasima, Thailand

来源：

ELECTRONICS LETTERS | 2012年 / 48卷 / 17期

关键词：

DEPENDENCE; MECHANISM;

D O I：

10.1049/el.2012.1625

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The frequency effect on the electrical fatigue behaviour of lead zirconate titanate (PZT) ceramics for a micro-actuator of hard disk drives has been investigated. The PZT sample was subjected to a bipolar electric field of +/- 1 kV/mm at various frequencies; 10, 50, 100 Hz. The fatigue behaviour could be attributed to the domain pinning effect and is well quantitatively analysed by using the ferroelectric logarithmic fatigue model. Significantly, it was found that fatigue degradation is more severe at low frequency loading. The frequency effect on the fatigue behaviour was explained using the viscosity concept.

引用

页码：1062 / 1063

页数：2

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