Pzt Customized Ultrasonic Sensor 20mm 3MHz Ceramic Piezo Element

Model NO.: 20mm-3MHZ Transmission Mode: All Solid and Air Transducer Principle: Piezoelectric Earphone Radiation Mode: Direct Radiation Type WORD nChannels: 7.1Channel Brand: Ks Trademark: KS Specification: 20mm Category: Piezo Ceramic element Cone: Polypropylene and Titanium Edge Style: Geometry Usage: Accept Certification: ISO9001 Frequency: 3MHz Transport Package: Carton Origin: Dongguan China Pzt Customized Ultrasonic Sensor 20mm 3MHz Ceramic Piezo Element
Piezoelectric Ceramic chip (ceramics piezoelectric), also known as ultrasonic wave energy exchange, piezoelectric energy exchange, piezoelectric ceramic is a piezoelectric effect of ceramic, said the piezoelectric ceramic. Is an important part of the indispensable in the field of the modern electronic technology, pressure piezoelectric ceramic in modern communication, radar, sonar, automatic measurement and control, Ultrasonic Transducer, ignite, ultrasound sterilization, ultrasonic power and Other aspects have been widely used. It has a strange piezoelectric effect characteristics, that is, when a small external force, the mechanical energy into electrical energy, when coupled with the alternating voltage, it will turn the power into mechanical energy.
PZT piezoelectric PZT (lead zirconate titanate), where p is the abbreviation of Pb Pb, Z is the abbreviation of zirconium element Zr, t is the abbreviation of titanium element Ti, PZT piezoelectric ceramic is the lead dioxide, zirconium acid lead, lead titanate in 1200 degrees high temperature sintering polycrystalline. Positive piezoelectric effect and negative pressure electric effect.
PZT piezoelectric ceramic is a solid solution of PbZrO3 and PbTiO3, which has a perovskite structure. PbZrO3 and PbTiO3 is a typical representative of the ferroelectric and antiferroelectric, because Zr and Ti belongs to a family, PbZrO3 and PbTiO3 has similar spatial lattice form, but their macro properties have great difference, lead titanate ferroelectric, the Curie temperature for 492 DEG C, and lead zirconate is antiferroelectric and Curie temperature for 232 DEG C, so big differences caused the wide attention of people.
The solid solutions of PbTiO3 and PbZrO3 have found that PZT has better piezoelectric and dielectric properties than other ferroelectric materials. PZT and doped PZT series ferroelectric ceramics have become the focus of research in recent years.

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