Basics of Piezoelectric Ceramics

• Application of Piezo Ceramics Used for ultrasonic non-destructive testing

  The development history and characteristics of ultrasoundAcoustics, as a branch of physics,it is a science that studies the occurrence, propagation, reception, and effects of sound waves. Before 1940, there were only single-crystal piezoelectric materials, which made ultrasonic wave not widely used.

  Basics of Piezoelectric Ceramics March 18, 2020
• Research on Displacement Performance of Multilayer PZT Chip Piezoelectric Ceramics Microactuator (2

  Comparison of density, dielectric constant and piezoelectric coefficient of PZN-PZ-PT ceramic film obtained by casting method and dry pressing method:

  Basics of Piezoelectric Ceramics March 16, 2020
• Research on Displacement Performance of Multilayer PZT Chip Piezoelectric Ceramics Microactuator (1)

  Piezoelectric ceramic micro-actuators are new type solid-state actuators made using the inverse piezoelectric effect. They are widely used in high tech fields such as precision optics, micromechanics, microelectronics, and computer applications. These applications require piezoelectric ceramic devic

  Basics of Piezoelectric Ceramics March 16, 2020
• Resonant performance of cylindrical piezoelectric transducer(2)

  The design of this cylindrical transducer is to realize the electro-acoustic conversion by using the thickness vibration of the 1-3-2 composite material element to obtain the uniform directivity in the horizontal direction. The design frequency of the transducer is 74kHz. In order to analyze and pre

  Basics of Piezoelectric Ceramics March 12, 2020
• Preparation of piezoelectric ceramic / polymer composite cylindrical transducer (1)

  The transducer array are the key components in the sonar system. It is a device that realizes the mutual conversion of electro-acoustic energy. The performance of the transducer and the transducer array mainly depends on the performance, structure and manufacturing process of the transducing materia

  Basics of Piezoelectric Ceramics March 12, 2020
• d33 parameter test device design of piezo ceramics

  This design uses a single-chip microcomputer as the control and parameter calculation circuit. The signal generator outputs a continuous analog excitation frequency sweep signal, which is applied to the piezoelectric ceramics ,which detects the voltage and current amplitude of the analog signal, con

  Basics of Piezoelectric Ceramics March 09, 2020
• Design of electrical parameter d33 characteristic of piezo ceramics

  The longitudinal piezoelectric ceramics strain constant d33 is the basic physical parameter of piezoelectric materials. It not only determines the properties of piezoelectric materials, but also directly affects the performance parameters of the transducer. In addition, other parameters, such as s

  Basics of Piezoelectric Ceramics March 05, 2020
• Damping characteristics of electromechanical coupling between piezo ceramics crystal and electric circuit

  Piezoelectric ceramics, as a new functional ceramic material,which have been widely used in the many technical fields, including the application in the field of structural vibration control. Because of its ability to transform mechanical energy and electrical energy, it can be embedded into the sys

  Basics of Piezoelectric Ceramics March 05, 2020
• Preparation of electronic piezo ceramics raw material by solid-phase method——barium titanate powder

  Barium titanate is the basic raw material of electronicpiezoceramics and the pillar of the electronic ceramics industry. Barium titanate has high dielectric constant and low dielectric loss characteristics as well as excellent ferroelectric, piezoelectric, withstand voltage and insulation properties

  Basics of Piezoelectric Ceramics April 21, 2020
• Study on Acoustic Emission of Crack Propagation in Piezo Ceramic Materials under Thermal Stress (2)

  Acousticemissioncharacteristics ofcrackpropagationwhentemperaturesensor slowlychanges. As the temperatureofPZT material piezoceramicsrises and cools slowly, the acoustic emission caused by the crack growth caused by the internal thermal stress of the sample is shown in Figure 3. The heating rate and

  Basics of Piezoelectric Ceramics March 02, 2020