• No results found

piezoelectric composite

Broadband 1-3 piezoelectric composite transducer design using Sierpinski Gasket fractal geometry

Broadband 1-3 piezoelectric composite transducer design using Sierpinski Gasket fractal geometry

... partial piezoelectric composite device design, where the thickness dimension piezoelectric plate was only partially diced and subsequently ...monolithic piezoelectric device combined with a ...

11

Enhancing the bandwidth of piezoelectric composite transducers for air-coupled non-destructive evaluation

Enhancing the bandwidth of piezoelectric composite transducers for air-coupled non-destructive evaluation

... secondary piezoelectric action [17, 18] producing positive feedback in the composite ...the piezoelectric material, which through the converse effect, introduces strain with the ...

32

Performance of periodic piezoelectric composite arrays incorporating a passive phase exhibiting anisotropic properties

Performance of periodic piezoelectric composite arrays incorporating a passive phase exhibiting anisotropic properties

... Finite Element Modeling The finite element code, PZFlex [12], has been used to simulate four piezoelectric composite configurations combining PZT5H and PMN-PT as the active piezoelectric[r] ...

8

Improving the thermal stability of 1-3 piezoelectric composite transducers

Improving the thermal stability of 1-3 piezoelectric composite transducers

... The variations shown in Figures 2a-c can be explained by considering the changes that are occurring in the composite as the temperature is increased. As the temperature increases, the polymer softens. From the ...

56

Harmonic analysis of lossy piezoelectric composite transducers using the plane wave expansion method

Harmonic analysis of lossy piezoelectric composite transducers using the plane wave expansion method

... In the next section the geometry of the transducer is described in terms of a Fourier series and then the PWE method and associated boundary conditions are briefly outlined. It follows the derivation of Wilm et al [18], ...

23

An iterative finite element method for piezoelectric energy harvesting composite with implementation to lifting structures under Gust Load Conditions

An iterative finite element method for piezoelectric energy harvesting composite with implementation to lifting structures under Gust Load Conditions

... the piezoelectric layer may be ...the piezoelectric composite laminates [59] may need to be addressed in the future, as well as the fracture during flight operation ...

24

A novel explicit solution for twisting control of smart laminated cantilever composite plates/beams using inclined piezoelectric actuators

A novel explicit solution for twisting control of smart laminated cantilever composite plates/beams using inclined piezoelectric actuators

... with/without piezoelectric materials have been studied broadly by several researchers using analytical methods, FEM and experimental ...smart composite laminates bounded with macro-fibre composite ...

49

Piezoelectric Response of Spun Polyvinylidene Fluoride and High Density Polyethylene Bicomponent Fibers with Carbon Black

Piezoelectric Response of Spun Polyvinylidene Fluoride and High Density Polyethylene Bicomponent Fibers with Carbon Black

... The PFM was used to perform various electrical measurements, such as measuring the value of the piezoconstant d mn (pm/V), the polarization properties of ferroelectrics, the incidents of phase switching against the ...

110

Piezoelectric microphone via a digital light processing 3D printing process

Piezoelectric microphone via a digital light processing 3D printing process

... This work demonstrates the creation via a digital light processing method of additive manufacturing of a complete, working piezo- electric microphone using a commercially available 3D printer. The process adopted here ...

7

Stretchable piezoelectric nanocomposite generator

Stretchable piezoelectric nanocomposite generator

... the piezoelectric polymers as polyvinylidene fluoride (PVDF) have been used to fabricate polymeric flexible nanogenerators ...the piezoelectric PVDF nanofibers placed on a working substrate using a unique ...

12

Piezoelectric shear wave resonator and method of making same

Piezoelectric shear wave resonator and method of making same

... a piezoelectric film having its C-axis substantially inclined from the film normal such that the shear wave coupling coefficient significantly exceeds the longitudinal wave coupling coefficient, whereby the film ...

21

A Study on the Composite Type Piezoelectric Motor

A Study on the Composite Type Piezoelectric Motor

... a composite type piezoelectric ...the piezoelectric stator, rotor, the preload adjusting module and ...the piezoelectric stator is made base, the composite type actuating element and ...

8

Simulation and Modelling of Smart Beams with Robust Control Subjected to Wind Induced Vibration

Simulation and Modelling of Smart Beams with Robust Control Subjected to Wind Induced Vibration

... of piezoelectric patches are embedded symmetrically at the top and the bottom surfaces of the beam, as shown in Figure ...resulting composite beam is modelled by means of the classical laminated technical ...

9

Piezoelectric energy harvester composite under dynamic bending with implementation to aircraft wingbox structure

Piezoelectric energy harvester composite under dynamic bending with implementation to aircraft wingbox structure

... Incorporating equations 27 and 29, then equation 26 becomes ¯ x = U x iωΓ2 x ∂Zmech ∂x − R1 + iωΓ1 x − iωΓ2 x2 Hαm x if required for non-uniform cross section Set The Range of Resistance[r] ...

14

Energy Harvesting From Asphalt Pavement Roadways Vehicle-Induced Stresses For Street Lighting

Energy Harvesting From Asphalt Pavement Roadways Vehicle-Induced Stresses For Street Lighting

... xiv 4.18 Graph of load against output current for 10 and 20 pieces piezoelectric 48 4.19 Graph of load against output voltage for 10 and 20 pieces piezoelectric 48 4.20 Graph of load against output power ...

24

Particle Size Control, Sinterability and Piezoelectric Properties of BaTiO3 Prepared by a Novel Composite Hydroxide Mediated Approach

Particle Size Control, Sinterability and Piezoelectric Properties of BaTiO3 Prepared by a Novel Composite Hydroxide Mediated Approach

... illustrated in Figure 5 (insert). The densities of the sin- tered pellets were measured by the Archimedes’ methods. The rectangular bars of 2 mm × 4 mm × 12 mm were prepared for piezoelectric measurements. Gold ...

7

Analysis of Impacting Wave using Piezoelectric Sensor for
a Pressurized Thin Aluminum Plate Covered with a Composite Material

Analysis of Impacting Wave using Piezoelectric Sensor for a Pressurized Thin Aluminum Plate Covered with a Composite Material

... Polypropylene is used as polymer matrix with a reinforcing filler like liquefied tropical wood to made Liquefied Tropical Wood/Polypropylene composites (LTW/PP), under tensile test the composites were evaluated and it ...

9

Development of system identification for piezoelectric patch actuator

Development of system identification for piezoelectric patch actuator

... LIST OF FIGURES 2.1 Piezoelectric Designs 5 2.2 Piezoelectric Concepts of Polarization 5 2.3 Structure of Piezoelectric Ceramic, Before and After Polarization 6 2.4 Poling Process 7 2.5 [r] ...

24

Electrospun piezoelectric polymer nanofiber layers for enabling in situ measurement in high-performance composite laminates

Electrospun piezoelectric polymer nanofiber layers for enabling in situ measurement in high-performance composite laminates

... 3.2.3. Electrical Resistance Characterization. Even though the conductive resin from the IDE layout has flown during the processing, an electrical resistance was able to be measured, using a coarse range of 1−100 MΩ. The ...

12

Numerical Analysis of Solar Roadways using ANSYS

Numerical Analysis of Solar Roadways using ANSYS

... Here it displays the output from the Arduino, which is connected to the piezoelectric load cell and piezoelectric sensor and also the voltage output from the solar panels.. Piezoelectric[r] ...

6

Show all 9191 documents...

Related subjects