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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
Submitted: March 07, 2012
Accepted: April 04, 2012
Published: July 15, 2012 |
Abstract:
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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.
Key words: Ctrical impedance characterization, ele, equivalent circuit models, piezoelectric vibrator, PZT, ,
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Cite this Reference:
Li-Jiao Gong, Min Lu, Zhi-Chao Zhang and Xihuizi Liang, . On Characterization and Equivalent Circuit of Triple-Layer Piezoelectric Element in Thickness Vibration Mode. Research Journal of Applied Sciences, Engineering and Technology, (14): 2176-2182.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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