Applied Sciences, 2020 To quantify damage to reinforced concrete (RC) column members after an earthquake, an engineer needs to know the maximum applied force that was generated by the earthquake. Therefore, in this work, piezoceramic transducers were used to detect the applied
Chien-Kuo Chiu +4 more
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Simulation of the influence of hydrophones used for the characterization of pressure field distribution in low frequency, high power ultrasonic reactor vessels [PDF]
, 2007 This paper describes the use of a finite element (FE) modeling approach to investigate the influence of different hydrophone designs in laboratory scale reactor vessels.
Gachagan, A., Harvey, G., O'Leary, R.L.
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Nonlinear characterization of half and full wavelength power ultrasonic devices [PDF]
, 2016 It is well known that power ultrasonic devices whilst driven under elevated excitation levels exhibit nonlinear behaviors. If no attempt is made to understand and subsequently control these behaviors, these devices can exhibit poor performance or even ...
Cardoni, Andrea +2 more
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Understanding nonlinear vibration behaviours in high-power ultrasonic surgical devices [PDF]
, 2015 Ultrasonic surgical devices are increasingly used in oral, craniofacial and maxillofacial surgery to cut mineralized tissue, offering the surgeon high accuracy with minimal risk to nerve and vessel tissue.
Cardoni, Andrea +3 more
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Investigating the influence of the constituent materials on the performance of periodic piezoelectric composite arrays [PDF]
, 2007 This paper describes a theoretical investigation into the influence of the constituent materials on periodic composite array transducer performance. A finite element (FE) model, configured in PZFlex, is used to analyze the performance of a wedge coupled ...
Gachagan, A. +3 more
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Active Sensing Based Bolted Structure Health Monitoring Using Piezoceramic Transducers
International Journal of Distributed Sensor Networks, 2013 Bolted structures are commonly used in civil infrastructure. It is important to perform bolt inspection regularly to ensure the safety of structures. Traditional bolt inspection methods are time-consuming; moreover, bulky instruments are needed in these ...
R. L. Wang, H. Gu, G. Song
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Digital Piezomaterial Based on Piezoceramic-Polymer Composite for Ultrasonic Transducers [PDF]
Журнал нано- та електронної фізики, 2016 Laboratory samples of digital piezomaterial with high mechanical Q-factor based on the mixed piezoceramic-polymer composite adapted for the piezoelectric elements manufacturing (by the additive technology of powder layer binding) were obtained.
D.I. Makarev, A.N. Rybyanets
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Vìsnik Nacìonalʹnogo Tehnìčnogo Unìversitetu Ukraïni Kììvsʹkij Polìtehnìčnij Ìnstitut: Serìâ Radìotehnìka, Radìoaparatobuduvannâ, 2023 The article presents the results of mathematical modeling and analysis of the electrical impedance of a piezoceramic disk that undergoes oscillations at low frequencies, i.e., when the length of the elastic wave significantly (by an order of magnitude ...
C. V. Bazilo +4 more
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A Feasibility Study on Timber Damage Detection Using Piezoceramic-Transducer-Enabled Active Sensing
Sensors, 2018 In recent years, piezoelectric-based transducers and technologies have made significant progress towards structural health monitoring and damage evaluation for various metal and concrete structures.
Jicheng Zhang, Yongshui Huang, Yu Zheng
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Optimisation of a cymbal transducer for its use in a high-power ultrasonic cutting device for bone surgery [PDF]
, 2016 The class V cymbal is a flextensional transducer commonly used in low-power ultrasonic applications. The resonance frequency of the transducer can be tailored by the choice of end-cap and driver materials, and the dimensions of the end-caps.
Bejarano, Fernando +2 more
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