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Feasibility of Screen-Printed PZT Microceramics for Structural Health Monitoring Applications

Debéda, Hélène and Lucat, Claude and Maglione, Mario and Pommier-Budinger, Valérie and Hochart, Xavier and Sourbe, Wilfrid Feasibility of Screen-Printed PZT Microceramics for Structural Health Monitoring Applications. (2014) International Journal of Applied Ceramic Technology. ISSN 1744-7402

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Official URL: http://dx.doi.org/10.1111/ijac.12213

Abstract

Using the association of low-cost screen-printing technology with the sacrificial layer method, the feasibility of totally released piezoelectric thick-film microceramics of gold-electroded PZT type is studied. After the deposition of the sacrificial layer on an alumina substrate and subsequent printing and drying of gold/PZT/gold layers, the final firing is performed at low temperature. This is followed by the releasing step of the Au/PZT/Au in a diluted acidic solution. Impedance analysis shows that the electrical properties and electromechanical coefficients of poled PZT thick films are still lower than those of PZT ceramics. This result is correlated with the high porosity rate of the PZT layer. However, these piezoelectric microceramics present desirable electromechanical behavior and can therefore be used as dynamic-mode sensors or as actuators to generate vibrations in a structure on which they are bonded. Moreover, the successful fabrication and the electromechanical impedance (EMI) levels obtained on a metallic structure suggest possible structural health monitoring applications of these screen-printed PZT microceramics.

Item Type:Article
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Other partners > Ecole Nationale Supérieure de Chimie et de Physique de Bordeaux - ENSCPB (FRANCE)
Other partners > Ecole Nationale Supérieure d’Electronique, Informatique et Radiocommunications de Bordeaux - ENSEIRB (FRANCE)
Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE)
Other partners > Institut Polytechnique de Bordeaux - IPB (FRANCE)
Other partners > Université de Bordeaux 1 (FRANCE)
Other partners > RESCOLL (FRANCE)
Other partners > Temex Ceramics (FRANCE)
Laboratory name:
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Deposited By: valerie budinger
Deposited On:10 Apr 2014 12:32

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