Dynamic Modelling of Embeddable Piezoceramic Transducers
AbstractEmbedded Lead Zirconate Titanate (PZT) transducers have been widely used in research related to monitoring the health status of concrete structures. This paper presents a dynamic model of an embeddable PZT transducer with a waterproof layer and a protecting layer. The proposed model is verified by finite-element method (FEM). Based on the proposed model, the factors influencing the dynamic property of the embeddable PZT transducers, which include the material and thickness of the protecting layer, the material and thickness of the waterproof layer, and the thickness of the PZT, are analyzed. These analyses are further validated by a series of dynamic stress transfer experiments on embeddable PZT transducers. The results show that the excitation frequency can significantly affect the stress transfer of the PZT transducer in terms of both amplitude and signal phase. The natural frequency in the poling direction for the PZT transducer is affected by the material properties and the thickness of the waterproof and protecting layers. The studies in this paper will provide a scientific basis to design embeddable PZT transducers with special functions. View Full-Text
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Huo, L.; Li, X.; Li, H.; Wang, Z.; Song, G. Dynamic Modelling of Embeddable Piezoceramic Transducers. Sensors 2017, 17, 2801.
Huo L, Li X, Li H, Wang Z, Song G. Dynamic Modelling of Embeddable Piezoceramic Transducers. Sensors. 2017; 17(12):2801.Chicago/Turabian Style
Huo, Linsheng; Li, Xu; Li, Hongnan; Wang, Zhijie; Song, Gangbing. 2017. "Dynamic Modelling of Embeddable Piezoceramic Transducers." Sensors 17, no. 12: 2801.
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