Basics of Piezoelectric Ceramics

• Materials and design of piezoelectric ceramic transformers

  Materials and design of piezoelectric ceramic transformers Materials for piezoelectric ceramic transformers: It has a high electromechanical coupling coefficient, especially the transverse electromechanical coupling coefficient k31 and the longitudinal electromechanical coupling coefficient k33 o

  Basics of Piezoelectric Ceramics November 01, 2018
• how the sonar works ?

  Sonar is a very important naval equipment, and it has received great attention from all countries with the using of underwater weapons such as submarines. Here, we don't discuss a specific equipment, nor do we involve too many mathematical concepts. Instead, we start with a simple physical principle

  Basics of Piezoelectric Ceramics November 07, 2018
• Mine inclinometer application of piezo ceramic

  Mine inclination measurement is a new technology for mine borehole measurement, and it is an important means for comprehensive advance detection and structural positioning. Due to its unique role in pre-exploration exploration of piezo ceramic tubes, a number of corresponding technical studies have

  Basics of Piezoelectric Ceramics December 10, 2018
• Concrete crack damage detection equipment application

  The increasingly performance of piezoelectric ceramic materials has made it the most widely used class of functional piezo ceramics. Not only used in industrial and civil products, such as ceramic filters, ceramic discriminators, ceramic attenuators in the communication equipment; underwater acousti

  Basics of Piezoelectric Ceramics December 04, 2018
• Application of Piezoelectric Ceramics in Mechanical Systems

  Since the curie brothers discovered the piezoelectric effect of tourmaline in 1880, piezoelectric science has officially entered the stage of human science and technology civilization. Early theoretical research was mainly done by the curie brothers later. In 1881, the curie brothers verified the in

  Basics of Piezoelectric Ceramics November 30, 2018
• Analysis of piezoelectric ceramic performance parameters

  The manufacture of excellent piezoelectric ceramic components usually requires requirements for the performance of piezoelectric ceramics. Because the performance of piezoelectric ceramics has a decisive influence on the quality of components. Therefore, to discuss and understand the components of p

  Basics of Piezoelectric Ceramics November 28, 2018
• Admittance characteristics of piezoelectric ceramics

  The admittance characteristics are further analyzed based on the obtained equivalent circuit diagram of the piezoelectric ceramics transducer. In order to simplify the derivation, it is assumed that the piezoelectric ceramic transducer has no electrical loss, that is, 0R=0, and the equivalent circui

  Basics of Piezoelectric Ceramics November 28, 2018
• Application of Piezoelectric Ceramic Used in Ultrasonic Distance Transducer

  In the past 20 years,piezoelectric crystal cost has developed rapidly at home and abroad. Due to their advantages of simple production, low cost and good stability, they have been widely used in the fields of electronics, light, heat and acoustics, and have a wide range. Ultrasonic transducers are m

  Basics of Piezoelectric Ceramics December 05, 2018
• sintering conditions of piezoelectric ceramics(2)

  The effect of pre-firing temperature. When the calcination temperature of piezo ceramic crystals is low, the particle size is fine but the difference is small, the accumulation in the green body is not tight, and the contact points are not much, which is unfavorable. When the calcination temperatur

  Basics of Piezoelectric Ceramics November 26, 2018
• sintering conditions of piezoelectric ceramics

  The sintering conditions of piezoelectric ceramics are mainly composed of four aspects: 1 heating rate; 2 highest sintering temperature; 3 holding time; 4 cooling rate and cooling mode. The general principle for the development of reasonable sintering conditions is to burn high-quality porcelain ( t

  Basics of Piezoelectric Ceramics November 25, 2018