enow.com Web Search

  1. Ad

    related to: piezoelectric high d ij value formula list

Search results

  1. Results from the WOW.Com Content Network
  2. List of piezoelectric materials - Wikipedia

    en.wikipedia.org/wiki/List_of_piezoelectric...

    The piezoelectric coefficients (d 33, d 31, d 15 etc.) measure the strain induced by an applied voltage (expressed as meters per volt). High d ij coefficients indicate larger displacements which are needed for motoring transducer devices.

  3. Piezoelectricity - Wikipedia

    en.wikipedia.org/wiki/Piezoelectricity

    Piezoelectric balance presented by Pierre Curie to Lord Kelvin, Hunterian Museum, Glasgow. Piezoelectricity (/ ˌ p iː z oʊ-, ˌ p iː t s oʊ-, p aɪ ˌ iː z oʊ-/, US: / p i ˌ eɪ z oʊ-, p i ˌ eɪ t s oʊ-/) [1] is the electric charge that accumulates in certain solid materials—such as crystals, certain ceramics, and biological matter such as bone, DNA, and various proteins—in ...

  4. Piezoelectric coefficient - Wikipedia

    en.wikipedia.org/wiki/Piezoelectric_coefficient

    The piezoelectric coefficient or piezoelectric modulus, usually written d 33, quantifies the volume change when a piezoelectric material is subject to an electric field, or the polarization on the application of stress.

  5. Electric displacement field - Wikipedia

    en.wikipedia.org/wiki/Electric_displacement_field

    In physics, the electric displacement field (denoted by D), also called electric flux density, is a vector field that appears in Maxwell's equations. It accounts for the electromagnetic effects of polarization and that of an electric field , combining the two in an auxiliary field .

  6. Polyvinylidene fluoride - Wikipedia

    en.wikipedia.org/wiki/Polyvinylidene_fluoride

    While the copolymers' unit structures are less polar than that of pure PVDF, the copolymers typically have a much higher crystallinity. This results in a larger piezoelectric response: d 33 values for P(VDF-TFE) have been recorded to be as high as −38 p C/N [19] compared to −33 pC/N in pure PVDF. [20]

  7. Photoelasticity - Wikipedia

    en.wikipedia.org/wiki/Photoelasticity

    Photoelastic model to validate the stiffener model. Isochromatic fringe patterns around a steel platelet in a photo-elastic two-part epoxy resin. Photoelasticity has been used for a variety of stress analyses and even for routine use in design, particularly before the advent of numerical methods, such as finite elements or boundary elements. [7]

  8. Table of specific heat capacities - Wikipedia

    en.wikipedia.org/wiki/Table_of_specific_heat...

    Note that the especially high molar values, as for paraffin, gasoline, water and ammonia, result from calculating specific heats in terms of moles of molecules. If specific heat is expressed per mole of atoms for these substances, none of the constant-volume values exceed, to any large extent, the theoretical Dulong–Petit limit of 25 J⋅mol ...

  9. J-integral - Wikipedia

    en.wikipedia.org/wiki/J-integral

    The J-integral represents a way to calculate the strain energy release rate, or work per unit fracture surface area, in a material. [1] The theoretical concept of J-integral was developed in 1967 by G. P. Cherepanov [2] and independently in 1968 by James R. Rice, [3] who showed that an energetic contour path integral (called J) was independent of the path around a crack.

  1. Ad

    related to: piezoelectric high d ij value formula list