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  • Jul
    07
    Answers to some common questions about piezoelectric ceramics

    1)I want to apply a layer of paint on my piezoelectric ceramic,this will reduce its displacement.Answer: Any additional material parallel to the piezoelectric ceramic will increase the load of the piezoelectric ceramic, thereby reducing its performance. However, in most cases, the stiffness of the o

  • Jun
    30
    Application of power amplifier in acousto-optic mode conversion experiment based on piezoelectric ceramics

    Experiment name: Acousto-optic mode conversion experiment based on piezoelectric ceramicsResearch direction: fiber modeExperimental content: Use high frequency and high voltage signal to drive piezoelectric ceramics transducer to generate mode conversionTest purpose: use the power amplifier to ampli

  • May
    08
    Briefly what is the piezoelectric effect and the discovery of the piezoelectric effect

    What is the piezoelectric effectAbout piezoelectric effect,When a certain dielectric is deformed by an external force in a certain direction, polarization will occur inside it, and positive and negative charges will appear on its two opposite surfaces. When the external force is removed, it will ret

  • Apr
    13
    "Piezoelectric Ceramics" for tight materials for epidemic coronavirus prevention and control

    After 76 days of "closing the city",Finally WuHanis unblocked on April 8th. With the efforts of the whole people, it lasted more than two months. The domestic epidemic situation can be said to have been "controlled." The overseas epidemic situation is still severe (the number of newly diagnosed over

  • Mar
    20
    Parameters of piezoelectric materials and piezoelectric equations (1)

    First, the piezoelectric equation.For the performance of piezoelectric materials, we have the following four considerations: 1. Piezoelectric materials are elastomers, which obey Hooke's law in terms of mechanical effects, that is, the elastic relationship between stress τ and strain e: τ = ce Or e

  • Dec
    19
    How to estimate the displacement of ultrasonic piezoelectric ceramics transducer

    The displacement of the ultrasonic piezo ceramic transducer is estimated by using the inverse piezoelectric effect, that is, when a voltage is applied to the piezoelectric ceramics, the piezoelectric ceramics will be deformed and displaced under the influence of the electric field. Rough estimate of

  • Dec
    10
    High frequency current and working process of piezoelectric ceramics

    The principle of the piezoelectric effect of piezoelectric ceramics is that when a pressure is applied to a piezoelectric material, it will generate a potential difference (called the positive piezoelectric effect). Otherwise, a voltage will generate mechanical stress (called the inverse piezoelectr

  • Dec
    09
    Low thermal conductivity and high mechanical strength of piezoelectric ceramics

    Piezoelectric ceramics are mainly used to guide special piezoceramics with low thermal coefficient and poor heat transfer. The thermal insulation piezo ceramics mainly use zirconia and alumina ceramic materials. The zirconia materials have low thermal conductivity and are used as thermal insulation

  • Dec
    09
    Detection process and ultrasonic signals of piezoelectric ceramics

    In the process of piezoelectric ceramics, if pressure is applied to the piezoelectric crystal piezoelectric transducer, this will directly generate a potential difference, otherwise, when a voltage is applied, mechanical stress will be generated (called the inverse piezoelectric effect). If the pres

  • Oct
    31
    Characteristic Property Studies of Piezoelectric Ceramics Polarization

    Polarization and dielectric parameters of dielectrics piezoelectric ceramics crystals are mostly dielectric crystals, also known as dielectrics. Under the action of an external electric field, the dielectric will react to the external electric field in an inductive manner. A certain amount of induce

  • Oct
    16
    What’s the piezoelectric material and structure ?

    Piezoelectric material is a special dielectric material with piezoelectric effect and inverse piezoelectric effect. The piezoelectric effect is the characteristic of some piezo crystals discovered by the French P. Curie and J. Curie brothers in 1880. When a piezoelectric force exerts a mechanical fo

  • Oct
    11
    Application of piezoelectric ceramics transducer

    Application of piezoelectric ceramics transducerPiezoelectric ceramics have been widely used due to their piezoelectricity and the resulting diversity of electromechanical properties. These applications can generally be divided into two broad categories, namely as piezoelectric vibrators. When is us

  • Sep
    12
    Application of lead zirconate titanate (PZT) used for piezoelectric actuator

    1 Introduction Smart materials include sensing materials and driving materials. Perceptual materials are a class of materials that have a sensing function for external or internal stress, strain, heat, light, electricity, magnetism, radiant energy, and chemical quantities. They can be used to make v

  • May
    24
    Comparison of advantages and disadvantages of ultrasonic transducers

    1. Product CategoriesCompany products can be classified according to different methods.A. Piezoelectric wafer classification: P4 series with black wafers and P8 series with yellow wafers; B. Frequency classification: low frequency series (17~23KHz), intermediate frequency series (25~28KHz), medium a

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