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Mathematical Modelling of Cylindrical Piezoelectric Transducers for Electroacoustic Devices
Vìsnik Nacìonalʹnogo Tehnìčnogo Unìversitetu Ukraïni Kììvsʹkij Polìtehnìčnij Ìnstitut: Serìâ Radìotehnìka, Radìoaparatobuduvannâ, 2022 This paper will review the procedure and the results of the research conducted on developing mathematical models of cylindrical piezoelectric transducers that are extensively applied in electrical acoustics and hydro acoustics (for example, in devices ...
C. V. Bazilo +4 more
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A theoretical and experimental investigation into multilayered piezoelectric composite transducers [PDF]
, 2002 The behaviour of a number of 3-1 connectivity piezoelectric composite plate transducers is presented. The fundamental thickness mode resonance of such devices is found to be contaminated by lateral resonant activity; this is evidenced in the measured and
Hayward, G., O'Leary, R.L.
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A theoretical analysis of a piezoelectric ultrasound device with an active matching layer [PDF]
, 2007 This paper investigates the use of magnetically active materials in the matching layer of a piezoelectric transducer. This then allows the performance of the device to be dynamically altered by applying an external field.
Hayward, G. +6 more
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Advanced Functional Materials, EarlyView.Flexible piezoresistive pressure sensors underpin wearable and soft electronics. This review links sensing physics, including contact resistance modulation, quantum tunneling and percolation, to unified materials/structure design. We highlight composite and graded architectures, interfacial/porous engineering, and microstructured 3D conductive networks
Feng Luo +2 more
wiley +1 more source
Research and fabrication of bimetallic plate transducer based on finite element analysis
Materials & DesignBy enhancing the type 1–3 piezoelectric composite material, a highly sensitive hydroacoustic transducer sensitive element structure is suggested for uses in sonar systems, such as small target identification and fine imaging.
Yudan Lan +5 more
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IEEE Access, 2022 Piezoelectric transducer is a key component of acoustic well-logging tool. Transducers used in acoustic well-logging tools usually have limited bandwidth, and their dominant frequencies severely drift with drastic change of borehole temperature when ...
Yongchao Yao +3 more
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Advanced Healthcare Materials, EarlyView.Implantable optoelectrical devices are an effective resource for the modulation and monitoring of neural activity with high spatiotemporal resolution. This review discusses current challenges faced by these devices and outlines future perspectives for the development of next‐generation neural interfaces targeting chronic, multisite, and multimodal ...
Stella Aslanoglou +4 more
wiley +1 more source
Effect of Temperature and Pressure Variations on the Resonant Frequency of Piezoelectric Material
Measurement + Control, 2016 Ultrasound transducers are used in a multitude of applications. A typical ultrasound transducer assembly consists of a piezoelectric layer, one or more matching layers and a backing layer.
Vaishali Upadhye, Sudhir Agashe
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Phonocardiograph transducer Patent [PDF]
, 1968 Piezoelectric transducer for monitoring sound waves of physiological ...
Young, W. J.
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Advanced Healthcare Materials, EarlyView.Engineered microparticle topographies direct human mesenchymal stem cell osteogenesis without biochemical additives. This osteogenic commitment is driven by canonical Hedgehog signaling and followed by temporal IGF‐II engagement. Two‐photon polymerization demonstrates spatial control, enabling the engineering of topographical gradients that pattern ...
Fatmah I. Ghuloum +5 more
wiley +1 more source