piezoelectric composite transducers
Improving the thermal stability of 1-3 piezoelectric composite transducers
... characterisation data is reported in Section II. The FE model was used to predict the temperature rise of a selection of the piezoelectric composites detailed in Table 4. In each case the device was represented by ...
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Enhancing the bandwidth of piezoelectric composite transducers for air-coupled non-destructive evaluation
... the composite structure which governs the transducer bandwidth, the longer the vibration lasts, the narrower the ...the composite and forms the traditional methodology for the enhancement of transducer ...
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Harmonic analysis of lossy piezoelectric composite transducers using the plane wave expansion method
... and piezoelectric, pseudo-descriptions of the main supported modes of vibrations can be obtained by using spatial and/or temporal plots of the displacement and the Poynting ...2-2 composite transducer ...
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Noncontact Driving System Using Induction Based Method and Integrated Piezoelectric Ultrasonic Transducers
... A steel plate with a thickness of 12.7 mm was used as the substrate for the IUTs as shown in Figure 1 [11,12]. A Lead-Zirconate-Titanate (PZT) composite (PZT-c) slurry consisting of PZT powder with a submicron ...
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INFLUENCE OF PIEZOELECTRIC TRANSDUCER TO GLASS FIBER REINFORCED COMPOSITE STIFFNESS
... Also a probe from aluminum alloy was pre- pared as a reference, due isotropic material prop- erties. On all the probes MFC (Macro Fiber Com- posite) M2807-P1(28×7×0.1mm) and resistive strain gauge with active area 30×3.8 ...
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Tapered transmission line technique based graded matching layers for thickness mode piezoelectric transducers
... mode piezoelectric transducers to a low acoustic impedance load medium, multiple quarter wavelength (QW) matching layers are employed at the front face of the ...
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Experimental evaluation of three designs of electrodynamic flexural transducers
... Commercial piezoelectric flexural transducers often have a light backing material ...the piezoelectric element, which dampens the oscillations without significant impact on the flexural properties of ...
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Dynamic analysis of rotating composite cantilever blades with piezoelectric layers
... In this paper, a composite cantilever plate is modeled and solved to study its dynamic characteristics. Rectangular plates with skew angles have been analyzed with considering the influence of rotational forces ...
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Design and analysis of two piezoelectric cymbal transducers with metal ring and add mass
... two piezoelectric transducers were designed to meet the strict underwater application backgrounds such as high pressure, corrosion resistance, and high ...Both transducers integrated most of previous ...
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Fabrication and Utilization of PVDF Piezoelectric Thin Films Using Additive Manufacturing for Structural Health Monitoring.
... only piezoelectric, it also has excellent pyroelectric, flexoelectric, dielectric, electrostrictive ...best piezoelectric polymers, it is also the most widely used ...non-lead piezoelectric is a ...
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Programming Using Automata and Transducers
... strings. Transducers augment automata to produce outputs and have been used to model string and tree transformations such as natural language ...and transducers and complex real-world applications: Can we ...
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Effects of Couple-stress Resultants on Thermo-electro-mechanical Behavior of Vibrating Piezoelectric Micro-plates Resting on Orthotropic Foundation
... of piezoelectric ma- terials, the micro-plates that are made of these mate- rials have been used in a wide variety of fields such as ultrasonic, piezoelectric transducers, transistors, and many ...
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Additive manufacture of impedance matching layers for air coupled ultrasonic transducers
... The transducers were excited with a single cycle, 10Vpp Sine wave, generated using a function generator (Tektronix AFG3021B) and the front face displacement measured by the laser interferometer positioned at the ...
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Vibration Control on Composite Beams with Multiple Piezoelectric Patches using Finite Element Analysis
... 2. Boucher, D., Lagier, M. and Maerfeld, C., “Computation of the Vibrational Modes for Piezoelectric Array Transducers Using a Mixed Finite Element Perturbation Method,” IEEE Transactions on Sonics and ...
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Characterisation of the polarisation state of embedded piezoelectric transducers by thermal waves and thermal pulses
... Received: 8 October 2015 – Revised: 22 January 2016 – Accepted: 4 April 2016 – Published: 10 May 2016 Abstract. In this work, we apply the thermal wave method and the thermal pulse method for non-destructive ...
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Optimization of electrode geometry and piezoelectric layer thickness of a deformable mirror
... the composite structure of the deformable mirror to achieve the maximum out-of-plane deflections at minimum applied voltages to the piezoelectric structure using finite element method (FEM) numerical ...
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A novel explicit solution for twisting control of smart laminated cantilever composite plates/beams using inclined piezoelectric actuators
... Abstract. In the present work, a novel explicit solution is proposed for obtaining twisting deformation and optimal shape control of smart laminated cantilever composite plates/beams using inclined ...
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Dynamic nonlinearity in Piezoelectric flexural ultrasonic transducers
... ultrasonic transducers operating at sufficiently high amplitude, dynamic nonlinearity can be exhibited as Duffing- type behavior, where characteristics such as the jump phe- nomenon and amplitude bifurcation are ...
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Modeling and Simulation of Multiple Piezoelectric Transformer Converters
... a piezoelectric transformer (PT) is that actuators and transducers function together so that energy can be transformed from an electrical form to an electrical form via mechanical ...a piezoelectric ...
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Effect of sintering temperature on adhesion of spray-on piezoelectric transducers
... Spray-on transducers were deposited on stainless-steel 316L cylindrical substrates that were 2.54 cm in diameter and 1.27 cm in thickness. Three variations of the deposition pro- cess were used. The only ...
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