Model No.: PZT5 Piezo Ceramics12MM 3MHz Piezoelectric Ultrasonic Transducer Piezo Ceramic Disc

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Piezoelectricity is a type of electricity that occurs when materials possessing piezoelectric properties are exposed to pressure or stress. Examples of these materials are ceramics, also called piezoceramics , and crystals.

Piezoelectric Ceramics (piezoceramics), such as Piezoelectric Ceramic Ring, Piezoelectric Ceramic Disc, Piezoelectric Ceramic Tube, Piezoelectric Ceramic Ball/Hemisphere, Piezoelectric Ceramic Cylinder and Piezoelectric Ceramic Square/Rectangular.

1. Types of Piezoceramics
Piezoceramic Ring
Piezoceramic Disc
Piezoceramic Tube
Piezoceramic Cylinder
Piezoceramic Ball/Hemisphere
Piezoceramic Square/Rectangular

2.Piezoelectric Ceramics:Piezoelectric Material PZT8

PZT8 piezoelectric ceramic has high mechanical quality factor , high electromechanical coupling factors , high stability , low dissipation factor, compatible with high voltages and high mechanical loads, so widely used in ultrasonic cleaner, ultrasonic welding, ultrasonic detector, ultrasonic motor, ultrasonic transformer and other high-power emanant transducers and so on.

3. Piezoelectric Ceramics:Piezoelectric Material PZT4

PZT4 piezoelectric ceramic has characteristics similar to P8 , but PZT4 is the middle power transmitting and receiving matrial,. It’s widely used in ultrasonic cleaners, ultrasonic welding, vibratory motors. high frequency transducers and stress pressure sensors and so on.

5PCS 16*8*4 Piezoelectric Ceramic Ring

5PCS 16*8*4 Piezoelectric Ceramic Ring

4. Piezoelectric Ceramics:Piezoelectric Material PZT5

PZT5 piezoelectric ceramic has the function of large displacements and high sensitivity, which is the soft material, so widely used in flow meters, medical ultrasound, level sensors, microphones and so on

5. Technical Piezo Ceramics description

Piezoelectricity is the property of nearly all materials that have a non-centrosymmetric crystal structure.

Some naturally occuring crystalline materials that possess these properties are quartz and tourmaline.Some aritficially produced piezoelectric crystals are Rochelle salt, ammonium dihydrogen phosphate and lithium sulphate. Another class of materials possessing these properties is polarized piezoelectric ceramic. In contrast to the naturally occurring piezo-electric crystals, piezoelectric ceramics have a polycrystalline structure.

The most commonly produced piezoelectric ceramics are lead zirconate titanate (PZT), barium titanate and lead titan-ate. Ceramic materials have several advantages over single crystals, especially the ease of fabrication into a variety of shapes and sizes. In contrast, single crystals must be cut along certain crystallographic directions, limiting the possible
geometric shapes.

The Perovskite crystal structure

The Perovskite crystal structure

PZT (and many other piezoelectric materials) have crystal structures belonging to the perovskite family with the general formula AB03-tric) structure are shown.

A piezoelectric ceramic material consists of small grains (crystallites), each containing domains in which the polar direction of the unit cells are aligned. Before poling, these grains and domains are randomly oriented; hence the net polarization of the material is zero, i.e. the ceramic does not exhibit piezoelectric proper-ties.The application of a sufficiently high DC field(called poling process) will orient the domains in the field direction and lead to a rem-anent polarization of the material.


The perovskite structure is very tolerant to element substitution (doping) by formation of solid solutions. The possibilities of doping in these materials lead to an unlimited number of possible perovskite-‐type oxides.
Even small amounts of a dopant may cause huge changes in the properties of a material.

The coupling of electrical and mechanical energy makes piezoelectric materials useful in a wide range of applications.

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