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Modeling of functionally graded piezoelectric ultrasonic transducers
(ELSEVIER SCIENCE BV, 2009)
The application of functionally graded material (FGM) concept to piezoelectric transducers allows the design of composite transducers without interfaces, due to the continuous change of property values. Thus, large ...
Development of a piezoelectric transducer coupling system for structural health monitoring applications
(2019-10-01)
Piezoelectric transducers have been widely used in structural health monitoring (SHM) frameworks. Recently, preliminary applications of these devices have emerged in the field of ultrasonic waves based on transmitter/receiver ...
Toward Optimal Design of Piezoelectric Transducers Based on Multifunctional and Smoothly Graded Hybrid Material Systems
(SAGE PUBLICATIONS LTD, 2009)
This work explores the design of piezoelectric transducers based on functional material gradation, here named functionally graded piezoelectric transducer (FGPT). Depending on the applications, FGPTs must achieve several ...
Structural health monitoring based on piezoelectric transducers: Analysis and design based on the electromechanical impedance
(2017-01-01)
Piezoelectric transducers are widely used in many applications. In recent years, these transducers have been used in a modern and promising application: structural health monitoring (SHM) of various types of structures.
Design of laminated piezocomposite shell transducers with arbitrary fiber orientation using topology optimization approach
(WILEY-BLACKWELLHOBOKEN, 2012)
Sensor and actuator based on laminated piezocomposite shells have shown increasing demand in the field of smart structures. The distribution of piezoelectric material within material layers affects the performance of these ...
One-dimensional analysis of piezoelectric transducers based on Thevenin theorem
(Soc Brasileira FisicaSao PauloBrasil, 2009)
Broadband dielectric characterization of piezoelectric poly(vinylidene fluoride)thin films between 278 K and 308 K
(Elsevier, 2013-07)
This work describes the dielectric properties of piezoelectric poly(vinylidene fluoride) (PVDF) thin films in the frequency and temperature ranges relevant for usual applications. We measured the isothermal dielectric ...
Analysis of 1-3 piezocomposite and homogeneous piezoelectric rings for power ultrasonic transducers
(Associação Brasileira de Engenharia e Ciências Mecânicas - ABCM, 2009)
Some power ultrasonic transducers, such as Tonpilz transducers, require high-power transmitting capability as well as broadband performance. Optimized vibrational modes can achieve these requirements. This work compares ...
Nanodisplacement measurements of piezoelectric flextensional actuators using a new interferometry homodyne method
(Ieee-inst Electrical Electronics Engineers Inc, 2015-05-01)
Piezoelectric flextensional actuator (PFA) devices are increasingly being applied in precision mechanics, such as nanotechnology equipments, electronic microscopy instruments, cell manipulation systems, and microsurgery ...
Nanodisplacement measurements of piezoelectric flextensional actuators using a new interferometry homodyne method
(Ieee-inst Electrical Electronics Engineers Inc, 2015)