30X12X5mm Ring Piezo Ceramic PZT-8 For Piezoelectric Ceramic Vibration Sensor

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Commonly used electronic ceramics are barium titanate, lead zirconate titanate binary system, and the third common ABO3 type compound is added to the binary system.

If the ternary continues to be added on the system, the fourth or more compounds are added. In this case, quaternary and multielement electronic ceramics are formed. In addition, there is a type of metaniobate, which is difficult to find, such as "sodium potassium metaniobate" and barium strontium metaniobate (Bax · Sr1-x · Nb2O5) and so on. They do not contain unqualified components such as toxic lead, which is beneficial to the environmental protection industry. Therefore, the dielectricity of the electronic ceramics is more advocated, which reflects the degree of response of ceramic materials to the electromagnetic fields formed inside and outside. Dielectrics are usually used to compare the constant ε0, indicating that when the external electromagnetic field is not large, the dielectric's response to the electric field has usable linearity.

Piezoelectric ceramics Alumina ceramics are the most widely used, most versatile, and most productive ceramic materials among oxide ceramics.

According to research reports, there are 12 homogeneous polymorphic variants of Al203, but there are mainly three kinds of alumina ceramics, so their properties are very different.

In the preparation of Al203 raw materials, if Al203 is not required to have high purity, it is generally prepared by chemical methods. Using bauxite as a raw material, the Al203 component in the bauxite was dissolved in a sodium hydroxide (NaOH) solution through steps such as sintering, dissolution, desiliconization, decomposition, and calcination, and the obtained sodium metaaluminate (NaAl. 2) The solution is cooled to a supersaturated state, and aluminum hydroxide (Al (OH) 3) will be precipitated by hydrolysis, and then it is calcined to obtain Al203. However, in the preparation of high-purity Al203 raw materials, organic aluminum salt plus hydrothermal decomposition method, aluminum water discharge oxidation method, aluminum sulfate and ammonia carbonate thermal decomposition method, ammonium alum thermal decomposition method, etc. are generally used [3]. At present, most scholars at home and abroad have adopted the method of thermal decomposition of ammonium alum, because the A1A prepared by this method has high purity, small fineness (below about 1pm), narrow particle distribution range and light agglomeration.

PiezoelectricCeramics (PZT) materials are categorized as functional ceramics. In sensors they make it possible toconvert forces, pressures and accelerations into electrical signals, and in sonic and ultrasonic transducers and actuators they convert electric voltages into vibrations or deformations.PiezoelectricCeramics materials are classified according to their chemical composition on the one hand, and by the specific application conditions on the other.

Application
1. ultrasonic cleaning trasnducer
2. ultrasonic welding tansducer
3. ultrasonic beauty transducer
4. ultrasonic underwater transducer
5. ultrasonic immersible transucer
6. ultrasonic screening transducer
7. ultrasonic cutting transducer
8. ultrasonic atomization transducer
9. ultrasonic emulsifier