FBelec has 20 year's experience for Piezoelectric Discs (piezo electric disc), piezo ceramic disc, Miniaturized Piezo Ceramics Disks and Customized Discs with or without without Electrodes. FBelec is a world leader in the design and manufacture of electronic ceramic components! High quality and low price are the characteristics of FBelec Piezo disc diaphragm elements, piezoelectric discs, piezoceramic disc, or piezoelectric disk, which sell well in the United States, Britain and other European countries, FBele also can customization ring/disc/rectangle/square/tube piezo ceramic transducer.
Piezoelectric discs can be manufactured in two ways – unimorph and bimorph. Unimorph piezo discs are comprised of one active piezoelectric layer and one non active layer, whereas bimorph piezo discs are comprised of two active piezoelectric layers. The faces of the piezo disc are metallized, and the layers are bonded with either a conductive or nonconductive substrate, which acts as a base and stabilizer for the piezo circular disc. Unimorphs deform in a single direction when activated to generate the desired mechanical or electrical output. Piezo bimorphs are constructed of two active piezo ceramic layers with a passive metal substrate sandwiched in between. When a voltage is applied, the piezo disc deforms or contracts, bending the metal with it. The most displacement occurs at the center of the piezo ceramic disc, forming a dome or bowl. When this current is released, the metal springs back to its original state. Piezo ceramic discs are small, thin, lightweight, and quiet. They are highly efficient with low power consumption and fast response time.
Piezo discs are metallized, either through a physical or chemical process, and then polarized. Metallization is only on the faces of the piezo, not on the side. In both unimorphs and bimorphs, the layer(s) of piezo disc material are bonded with a substrate. For some special applications, bimorphs do not have a substrate sandwiched in between the two layers of piezo, instead the two pieces of PZT discs are bonded directly to each other. The substrate acts as a base and stabilizer for the disc actuators and can be any material, conductive or nonconductive. During the deformation process, a substrate holds the piezoelectric product together and prevents it from falling apart.
Circular piezoelectric ceramic sheet is a special type of electronic ceramic material that has a piezoelectric effect, that is, it can convert mechanical energy into electrical energy, or convert electrical energy into mechanical energy. This material has a wide range of applications in many fields, such as ultrasonic sensors, electronic instruments, filters, igniters, etc.
The manufacturing process of circular piezoelectric ceramic sheets mainly includes steps such as batching, mixing, rolling, sintering, etc. Among them, ingredient is one of the key steps in manufacturing circular piezoelectric ceramic sheets, as it requires determining the composition and proportion of the material, as well as adding what additives. Mixing is the process of mixing various raw materials together to distribute them evenly, which is crucial for the subsequent manufacturing process. Rolling is the process of pressing a mixed material into thin sheets for the next step of sintering. Sintering is the process of firing rolled thin sheets at high temperatures to make them dense ceramic materials.
The performance of circular piezoelectric ceramic sheets mainly includes piezoelectric coefficient, dielectric constant, mechanical quality factor, etc. The piezoelectric coefficient is an important parameter for measuring the strength of the piezoelectric effect of piezoelectric ceramic materials, and its magnitude depends on the composition and structure of the material. The dielectric constant is a parameter that measures the dielectric properties of a material, and its magnitude also depends on the composition and structure of the material. The mechanical quality factor is a parameter that measures the mechanical properties of a material, and its magnitude depends on the manufacturing process and structure of the material.
The application of circular piezoelectric ceramic sheets is very extensive, such as in ultrasonic sensors, which can be used to detect the position and velocity of objects; In electronic instruments, it can be used to produce sound; In filters, it can be used to remove interference signals; In the igniter, it can be used to generate sparks. In addition, circular piezoelectric ceramic sheets can also be used to manufacture other electronic products, such as electronic doorbells, electronic watches, etc.
In summary, circular piezoelectric ceramic sheets are a very important electronic material with broad application prospects. With the continuous development of science and technology, its application fields will also continue to expand, bringing more convenience and progress to humanity.
Piezoelectric effect refers to the ability of certain materials to produce electric polarization under applied mechanical stress. This electric polarization manifests as a measurable potential difference across the material. One of the unique characteristics of the piezoelectric effect is the reversibility: electric polarization under applied stress, and the generation of stress under an electric field. This self-driven piezoelectric disc combines both effects. A piece of electronically isolated piezoelectric ceramic is assembled on the top of the metal plate to work as the feedback electrode (see picture above).
Upon the activation of the main piezoelectric element (large ceramic section), the metal diaphragm contracts and expands alternately, resulting in a voltage generated across the isolated piezoelectric ceramic. One main advantage of the self-driven piezoelectric disc is that the feedback signal can be used to create a closed-loop control circuit. A typical oscillation circuit is shown above.
Piezoelectric ceramic discs (piezo electric disc
) is a kind of information functional ceramic material piezoelectric effect, which can convert mechanical energy and electrical energy into each other. Piezoelectric Discs not only have piezoelectric, but also have dielectric and elasticity. They have been widely used in medical imaging, acoustic sensors, acoustic transducers, ultrasonic motors and so on. Piezoelectric ceramics are made by using the relative displacement of internal positive and negative charge centers caused by mechanical stress, resulting in binding charges with opposite symbols on the surfaces of both ends of the material, that is, piezoelectric effect.
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