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Filtry

12 694 (0,089s)

Výsledek výzkumu

Structure–Properties Relationship of Electrospun PVDF fibers

parameters of solutions on poly(vinylidene fluoride) (PVDF) fibers’ morphology, crystallinity, phase composition and dielectric and piezoelectric characteristics. PVDF fibrous layers with nano- and micro-sized fiber diamet...

Nano-materials (production and properties)

  • 2020
  • Jimp
  • Odkaz
Výsledek výzkumu

Light-Intensity-Induced Characterization of Elastic Constants and d33 Piezoelectric Coefficient of PLZT Single Fiber Based Transducers

Enhanced functionality of electro-optic devices by implementing piezoelectric micro fibers into their construction is proposed. Lanthanum-modified lead zirconate electro-optic properties and fast response. In this study PLZT fib...

BM - Fyzika pevných látek a magnetismus

  • 2013
  • Jx
  • Odkaz
Výsledek výzkumu

Identification of material properties of quasi-unidirectional carbon-epoxy composite using modal analysis

with continuous ultrahighmodulus fibers. The beam is manufactured by forming several fiber bundles together, each wrapped by transverse layer of fibers. The eigen-frequencies of the beam are experimentally assessed using <...

JI - Kompositní materiály

  • 2009
  • Jx
Výsledek výzkumu

Efficient Modulation and Processing Method for Closed-Loop Fiber Optic Gyroscope with Piezoelectric Modulator

in an interferometric fiber-optic gyroscope (I-FOG) with a piezoelectric modulator. The common an electro-optic modulator, all-fiber architectures with a piezoelectric modulator a less expensive single-mode fi...

Electrical and electronic engineering

  • 2019
  • Jimp
  • Odkaz
Výsledek výzkumu

Finite element analysis of the macro fiber composite actuator: macroscopic elastic and piezoelectric properties and active control thereof by means of negative capacitance shunt circuit

The finite element method (FEM) model of a piezoelectric macro fiber composite of macroscopic values of elastic compliance and piezoelectric tensors is computed can be approximated by a plate-like uniform piezoelectric<...

BI - Akustika a kmity

  • 2015
  • Jx
  • Odkaz
Výsledek výzkumu

Melt electrowriting of electroactive poly(vinylidene difluoride) fibers

piezo-force microscopy and revealed that the PVDF fibers possess piezoelectricPoly(vinylidene difluoride) (PVDF) has piezoelectric properties suitable. In this study, individual fibers with diameters ranging from ...

Polymer science

  • 2019
  • Jimp
  • Odkaz
Výsledek výzkumu

Mechanical properties of carbon fiber composites for applications in space

fiber composites in space. New material structures are specifically designed for use orbiton board of a '2U CubeSat' satellite. Piezoelectric ceramic sensors are used of Carboncomposite-Piezoelectric ceramic system. Evalua...

JV - Kosmické technologie

  • 2015
  • D
  • Odkaz
Výsledek výzkumu

Numerical simulation of mechanical behavior of a Macro Fiber Composite piezoelectric actuator shunted by a negative capacitor

Numerical simulations of the elastic properties of Macro Fiber Composite (MFC) actuator shunted by an electric circuit with a negative capacitance are presented. In this study, it is shown that the MFC can be controlled by the circuit with a...

BI - Akustika a kmity

  • 2011
  • D
  • Odkaz
Výsledek výzkumu

Application of piezoelectric macro-fiber-composite actuators for the suppression of noise transmission through curved glass plates

An investigation on the application of the piezoelectric Macro-Fiber-Composite (MFC) actuators for the suppression of the noise transmission through the curved glass plates is presented. The effect of the glass plate geometry, and t...

BI - Akustika a kmity

  • 2011
  • D
  • Odkaz
Výsledek výzkumu

The influence of reinforced fibers on cutting forces during drilling FRC

The paper describles the measuring and evaluating of torque and cutting force components (in axial and tangencial directions) with four components piezoelectric dynamometer KISTLER 9272, when drilling a glass fiber reinforced plasti...

JQ - Strojní zařízení a nástroje

  • 2005
  • D
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