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An Optical Method to Assess Electromechanical Coupling in Ferroelectric Ceramics

Kounga Njiwa, Alain Brice and Lupascu, Doru C. and Aulbach, Emil and Rödel, Jürgen (2005):
An Optical Method to Assess Electromechanical Coupling in Ferroelectric Ceramics.
45, In: Experimental Mechanics, (3), pp. 290-294, ISSN 0014-4851, [Article]

Abstract

A new technique is described, which allows the assessment of elastic and inelastic regions around a macroscopic defect in ferroelectric-ferroelastic ceramics. The accuracy and robustness of the method are demonstrated on a PZT plate with a centered hole subjected to uni-axial compressive stresses. From the electrical potential distribution on the sample surface, the mechanical response of the material is obtained at different load levels.

Item Type: Article
Erschienen: 2005
Creators: Kounga Njiwa, Alain Brice and Lupascu, Doru C. and Aulbach, Emil and Rödel, Jürgen
Title: An Optical Method to Assess Electromechanical Coupling in Ferroelectric Ceramics
Language: English
Abstract:

A new technique is described, which allows the assessment of elastic and inelastic regions around a macroscopic defect in ferroelectric-ferroelastic ceramics. The accuracy and robustness of the method are demonstrated on a PZT plate with a centered hole subjected to uni-axial compressive stresses. From the electrical potential distribution on the sample surface, the mechanical response of the material is obtained at different load levels.

Journal or Publication Title: Experimental Mechanics
Volume: 45
Number: 3
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Nonmetallic-Inorganic Materials
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences
Date Deposited: 18 May 2011 15:20
Identification Number: doi:10.1007/BF02427953
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