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2012 (Vol. 4, Issue: 14)
Article Information:

On Characterization and Equivalent Circuit of Triple-Layer Piezoelectric Element in Thickness Vibration Mode

Li-Jiao Gong, Min Lu, Zhi-Chao Zhang and Xihuizi Liang
Corresponding Author:  Li-Jiao Gong 

Key words:  Ctrical impedance characterization, ele, equivalent circuit models, piezoelectric vibrator, PZT, ,
Vol. 4 , (14): 2176-2182
Submitted Accepted Published
March 07, 2012 April 04, 2012 July 15, 2012
Abstract:

This study presents the fabrication of triple-layer piezoelectric vibrator and analyzes its electrical impedance. The characterization of the electrical impedance and equivalent circuit of the triple-layer piezoelectric element in thickness vibration mode is discussed. The dielectric, elastic, piezoelectric and electro mechanical coupling constants (kt) of the samples were evaluated from the experimental impedance data. A simple but practical equivalent circuit expressed using only the electrical parameters of triple-layer piezoelectric vibrator, was explored. Analysis based on this equivalent circuit can provide a good understanding of the behavior of triple-layer piezoelectric vibrators as a function of frequency in the thickness mode. This will in turn aid the design and analysis of piezoelectric transducers.
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  Cite this Reference:
Li-Jiao Gong, Min Lu, Zhi-Chao Zhang and Xihuizi Liang, 2012. On Characterization and Equivalent Circuit of Triple-Layer Piezoelectric Element in Thickness Vibration Mode.  Research Journal of Applied Sciences, Engineering and Technology, 4(14): 2176-2182.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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