Impedance spectroscopy of piezoelectric actuators

被引：14

作者：

Bowen, CR ^{[1
]}

Lopez-Prieto, M

Mahon, S

Lowrie, F

机构：

[1] Univ Bath, Dept Mat Sci & Engn, Fac Engn & Design, Bath BA2 7AY, Somerset, England

[2] DERA Farnborough, Mech Sci Sector, Farnborough GU14 OLX, Hants, England

来源：

SCRIPTA MATERIALIA | 2000年 / 42卷 / 08期

关键词：

multilayers; piezoelectricity; non-destructive testing; ceramic; functional;

D O I：

10.1016/S1359-6462(00)00300-6

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In this study, the change in resonance behavior of typical multi-layer actuators due to the presence of delaminations and/or cracks introduced into the device is examined. Experimental observations of impedance responses are compared with direct observations of defects using optical and scanning electron microscopy of sectioned devices.

引用

页码：813 / 818

页数：6

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