Results 31 to 40 of about 62,079 (347)
Output increasing methods for polyvinylidene fluoride based nanogenerators
e-Prime: Advances in Electrical Engineering, Electronics and Energy, 2023 PVDF is a piezoelectric polymer with inexpensive, high mechanical, and excellent piezoelectric properties. Due to high piezoelectiric effect of PVDF nanofibers, the focus of the researches is on them.
Sedigheh Aghayari
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Theoretical modelling of frequency dependent elastic loss in composite piezoelectric transducers [PDF]
, 2007 The large number of degrees of freedom in the design of piezoelectric transducers requires a theoretical model that is computationally efficient so that a large number of iterations can be performed in the design optimisation.
Hayward, G. +5 more
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Properties and Applications of Flexible Poly(Vinylidene Fluoride)-Based Piezoelectric Materials
Crystals, 2021 Poly (vinylidene fluoride) (PVDF) is a kind of semicrystalline organic polymer piezoelectric material. Adopting processes such as melting crystallization and solution casting, and undergoing post-treatment processes such as annealing, stretching, and ...
Linfang Xie +4 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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Rheological parameters effect on the electric properties of polyvinylidene fluoride
St. Petersburg Polytechnical University Journal: Physics and Mathematics, 2020 It is known that polymer films based on a copolymer of polyvinylidene fluoride and tetrafluoroethylene P(VDF-TFE) have piezoelectric properties, and these properties appear only after preliminary stretching of the films.
Gorokhovatsky Yuriy +2 more
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Microsystems & Nanoengineering, 2023 The piezoelectric coupling principle is widely used (along with capacitive coupling and piezoresistive coupling) for MEMS accelerometers. Piezoelectric MEMS accelerometers are used primarily for vibration monitoring.
Chang Ge, Edmond Cretu
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Advanced Science, 2021 Piezoelectric materials are widely referred to as “smart” materials because they can transduce mechanical pressure acting on them to electrical signals and vice versa.
Susmriti Das Mahapatra +6 more
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Multi-layered piezoelectric composite transducers [PDF]
, 2003 Multilayered piezoelectric materials present themselves as a suitable technology for the development of sub 100kHz transducers. A variety of different configurations have been proposed, including stacked 2-2, 1-3 and 3-1 connectivity configurations ...
Hayward, G., O'Leary, R.L., Parr, A.C.S.
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Advanced Science, 2023 Integrating nanomaterials into the polymer matrix is an effective strategy to optimize the performance of polymer‐based piezoelectric devices. Nevertheless, the trade‐off between the output enhancement and stability maintenance of piezoelectric ...
Jingyan Liu +9 more
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Piezoelectric effect and electroactive phase nucleation in self-standing films of unpoled PVDF nanocomposite films [PDF]
, 2018 Novel polymer-based piezoelectric nanocomposites with enhanced electromechanical properties open new opportunities for the development of wearable energy harvesters and sensors.
Ballirano, Paolo +6 more
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