Piezoelectric and ferroelectric properties of Na0.5Bi4.5Ti4O15–BaTiO3 composite ceramics with Mg doping [PDF]
Journal of Advanced Dielectrics, 2019 As one of the representatives of lead-free NBT ceramics, Na0.5Bi4.5Ti4O15 has still attracted much attention due to its excellent dielectric properties and has become the focus of research. However, its piezoelectric properties are far from satisfactory.
Chaobin Jiang +7 more
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Multimodal electromechanical model of piezoelectric transformers by Hamilton's principle [PDF]
, 2009 This work deals with a general energetic approach to establish an accurate electromechanical model of a piezoelectric transformer (PT). Hamilton’s principle is used to obtain the equations of motion for free vibrations. The modal characteristics (mass,
Nadal, Clément, Pigache, François
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Preparation of Lead Free Piezoelectric Composite Based on Polyester Resin and (LKNN6-0.5%CeO2) Ceramic Particles [PDF]
Engineering and Technology Journal, 2016 For the sake of guarding the environment from the vital problems that results from the toxic effects of lead components, lead free (LKNN6-0.5%CeO2/polyester) piezoelectric composite are prepared in this work using cold press technique.
Fadhil A. Chyad +2 more
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A Lead-Free Piezoelectric Fiber Generator with a High Energy Conversion Constant Material
Energies, 2022 This paper introduces a fiber generator using PVDF with a high-performance lead-free piezoelectric ceramic as filler. The piezoelectric ceramic filler was Ba0.84Ca0.16Ti0.90Zr0.10O3 + CuO 0.25 wt% (BCTZC0.25) sintered at 1550 °C.
Kyung-Bum Kim, Jaegeun Lee
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Optimal configuration of microstructure in ferroelectric materials by stochastic optimization
, 2010 An optimization procedure determining the ideal configuration at the microstructural level of ferroelectric (FE) materials is applied to maximize piezoelectricity.
Goldstein H. +7 more
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A 2D ultrasonic array design incorporating hexagonal-shaped elements for NDE applications [PDF]
, 2010 Contemporary 2D Ultrasonic arrays suffer from low SNR and limited steering capabilities. Yet, there is a great desire in the industry to increase the operational frequency, in order to enhance their volumetric imaging resolution.
Dziewierz, J. +4 more
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Electroactive influence of ferroelectric nanofillers on polyamide 11 matrix properties [PDF]
, 2007 Barium titanate ceramic powders have been incorporated in polyamide 11 to form homogeneous dispersion of particles in the matrix. Barium titanate/polyamide 11 nanocomposites have been synthesized using a solvent casting method with ultrasonic stirring to
Capsal, Jean-Fabien +3 more
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Venting in the comparative study of flexural ultrasonic transducers to improve resilience at elevated environmental pressure levels [PDF]
, 2020 The classical form of a flexural ultrasonic transducer is a piezoelectric ceramic disc bonded to a circular metallic membrane. This ceramic induces vibration modes of the membrane for the generation and detection of ultrasound.
Dixon, Steve M. +3 more
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AIP Advances, 2015 Compared with the traditional actuator of machinery and electricity, the piezoelectric actuator has the advantages of a compact structure, small volume, no mechanical friction, athermancy and no electromagnetic interference.
Liping Shi +3 more
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Tạp chí Khoa học Đại học Đà Lạt, 2021 Samples of 0.96(K0.48Na0.48Li0.04)(Nb0.95Sb0.05)O3-0.04Bi0.5(Na0.82K0.18)0.5ZrO3 piezoelectric ceramic were fabricated with conventional ceramic techniques and sintered at different temperatures. The effect of sintering temperature (TS) on the structure,
Phan Dinh Gio +3 more
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