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piezoelectricity    
n. 压电

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  • Piezoelectricity - Wikipedia
    Piezoelectricity ( ˌpiːzoʊ -, ˌpiːtsoʊ -, paɪˌiːzoʊ - , US: piˌeɪzoʊ -, piˌeɪtsoʊ - [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 response to applied mechanical stress [2][3]
  • Piezoelectricity and the Piezoelectric Effect - Science Notes and Projects
    Piezoelectricity is a property of certain materials that allows them to generate an electric charge in response to applied mechanical stress The term originates from the Greek word “piezein,” which means to press or squeeze, aptly describing the process of generating electricity through pressure
  • Piezoelectricity - How does it work? | What is it used for?
    Piezoelectricity (also called the piezoelectric effect) is the appearance of an electrical potential (a voltage, in other words) across the sides of a crystal when you subject it to mechanical stress (by squeezing it)
  • Piezoelectricity - Engineering LibreTexts
    Piezoelectricity is the effect of mechanical strain and electric fields on a material; mechanical strain on piezoelectric materials will produce a polarity in the material, and applying an electric field to a piezoelectric material will create strain within the material
  • How Does Piezoelectricity Work - Applications and Elements - americanpiezo
    Unlock the secrets of piezoelectricity! Explore the science behind how certain materials generate electricity under mechanical stress Learn more here
  • Piezoelectricity, Acoustic Wave, Ultrasound - Britannica
    piezoelectricity, appearance of positive electric charge on one side of certain nonconducting crystals and negative charge on the opposite side when the crystals are subjected to mechanical pressure
  • What Are Piezoelectric Crystals And How Do They Work?
    In piezoelectric crystals, the pressure causes electric dipoles to line up, rather than be arranged randomly, so that their cumulative effect produces a field We have since learned that
  • Piezoelectricity - an overview | ScienceDirect Topics
    Piezoelectricity refers to the relationship between pressure and electricity that exists within a unique family of materials, known as piezoelectric materials Several nonlinear effects are observed in piezoceramics materials
  • Piezoelectricity - HyperPhysics
    Crystals which acquire a charge when compressed, twisted or distorted are said to be piezoelectric This provides a convenient transducer effect between electrical and mechanical oscillations Quartz demonstrates this property and is extremely stable
  • Piezoelectric Effect - Science Facts
    The piezoelectric effect is a phenomenon where certain substances, called piezoelectric materials, generate an electric charge when they are squeezed, pressed, or otherwise put under mechanical stress





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