Factory Product 50*17*6mm Ring Piezoceramic Element For Ultrasonic Piezo Welding 

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Ceramic semiconductor materials In ceramics, there are many semiconductors. The property of resistance changing with temperature can be used for non-linear resistance. Negative temperature coefficient non-linear resistance (NTC non-linear resistance) decreases with increasing temperature and has general semiconductor characteristics. Oxide ceramics of ferrous metals have chemical and thermal stability, so they can be used for non-linear resistors to control temperature over a wide range. In contrast, a component called a PTC thermistor (PTC thermistor) uses a semiconductor BaTiO3 ceramic. This ceramic has a sharp increase in resistance at the phase transition temperature. If it is used as a resistance heating element, it can be automatically controlled near the phase transition temperature, which is very convenient.

When a voltage is applied to a piezoelectric ceramic, mechanical deformation occurs with changes in voltage and frequency. On the other hand, when a piezoelectric ceramic is vibrated, a charge is generated. Using this principle, when an electric signal is applied to a vibrator composed of two piezoelectric ceramics or a piezoelectric ceramic and a metal piece, so-called bimorph elements, ultrasonic waves are emitted due to bending vibration. In contrast, when ultrasonic vibration is applied to a bimorph element, an electrical signal is generated. Based on the above effects, piezoelectric ceramics can be used as ultrasonic sensors.

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

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Factory Product 50*17*6mm Ring Piezoceramic Element For Ultrasonic Piezo Welding