Production process of piezo element

1. The ingredients have undergone pre-treatment. After removing impurities and moisture, it is necessary to mix various raw materials according to the formula ratio. Note that a small amount of additives should be added in the middle of the ingredients.

2. The purpose of mixed grinding is to grind several raw materials evenly and then burn them to prepare for complete solid interactions. Generally, dry and wet grinding are used.

3. Small batches can also be dried. For these large batches, stirring ball milling and airflow pulverization can be used. I believe this is very efficient.

4, In addition, the purpose of this pre sintering is to manufacture piezoelectric element through the opposite reaction of all raw materials at high temperatures.

BaTiO3 piezo element

Piezoelectric ceramic element are an important electronic material with piezoelectric effects, which can generate electrical signals under the action of mechanical forces or mechanical vibrations under the action of electrical signals. This material has a wide range of applications in many fields, such as medical imaging, sound sensors , vibration control, and power generation. Piezoelectric ceramic sheets are made of piezoelectric ceramic materials such as barium titanate (BaTiO3) or barium zirconate titanate (BaZrTiO3). These materials will deform and generate charges under external mechanical forces, or generate mechanical vibrations under the action of electrical signals. This piezoelectric effect is reversible, meaning that when an electrical signal is applied, the piezo ceramic element will generate mechanical vibration, and vice versa. FBelec is the only factory in China that specializes in BaTiO3 piezo ceramic technology.

How FBelec Can Be Your Piezo Ceramic element Manufacturer

In 1880, the Curie brothers first discovered the piezoelectric effect of tourmaline, marking the beginning of the history of piezoelectricity.

In 1894, Voigt pointed out that only crystals with twenty point groups without symmetry centers could have piezoelectric effects, and quartz is a representative of piezoelectric crystals, which has been applied.

World War I

Curie's successor, Lang Zhiwan, was the first to use the piezoelectric effect of quartz to create underwater ultrasonic detectors for detecting submarines, thus opening a chapter in the history of piezoelectric applications.

In the Second World War

A groundbreaking progress has been made in the discovery of BaTiO3 ceramics, piezoelectric materials, and their applications.

1946

The Insulation Research Laboratory of the Massachusetts Institute of Technology in the United States discovered that applying a direct current high-voltage electric field to barium titanate ferroelectric ceramics selectively orients their spontaneous polarization along the direction of the electric field, allowing them to maintain a certain residual polarization even after removing the electric field, giving them piezoelectric effects, thus giving birth to piezoelectric ceramics.

1947

Roberts from the United States applied high voltage for polarization treatment on BaTiO3 ceramics to obtain the voltage characteristics of piezoelectric ceramics. Subsequently, Japan actively carried out research on the application of BaTiO3 piezoelectric ceramics to produce various piezoelectric components such as ultrasonic transducers, high-frequency transducers, pressure sensors, filters, resonators, etc. This research continued until the mid-1950s.

1955

United States B Jaffe et al. discovered PZT piezoelectric ceramics with superior piezoelectric properties than BaTiO3, which greatly advanced the application research of piezoelectric devices. Some applications that were difficult to apply in the BaTiO3 era, especially piezoelectric ceramic filters and resonators, quickly became practical with the emergence of PZT. SAW devices such as filters, delay lines, and oscillators using surface acoustic waves (SAW) were also implemented in the late 1970s.

2021

The high-temperature and highly stable piezoelectric ceramic materials from Shanghai Institute of Ceramics can be stably applied at high temperatures of 250 ° C, 300 ° C, and 500 ° C, withstanding harsh environmental experiments such as high and low temperatures. They are used in equipment such as the Chang'e-3 ultrasonic motor, the fourth generation aircraft laser gyroscope, and the Long March launch vehicle.

FBelec, as a factory with 25 years of experience in piezoelectric ceramic production, has a wide range of various rings and products that can be used for flow meters, ultrasonic beauty, air cleaning, welding equipment, and is widely used in various fields. It can be customized according to needs . Piezoelectric ceramic rings and ball crowns can be used for ultrasonic flow meters, ultrasonic medical beauty, and air.

Piezoceramic Products by Piezo Direct

Piezoelectric Disc

Piezoelectric discs are circular piezo elements often found in automotive functions, sound production and amplification, liquid and fluid level measurement, and ultrasonic applications. Learn more about piezo discs here.

Piezoelectric Bending Strip

Piezo strip benders are thin pieces of active piezoelectric material connected to a passive layer. Strip piezo elements are commonly utilized in valve and pump controls, accelerometers, sound production, touch switches/controls, and fine machinery.

Piezoelectric Ring

Piezoelectric rings are often used in multilayer stack piezo actuators to produce linear movement. Piezo rings are often found in ultrasonic applications, nanopositioning, microscopy, and precision machining. Learn more about piezo rings here.

Piezoelectric Tube

Tube piezo actuators can generate axial displacement (changes in length) or radial displacement (changes in diameters). Tube piezoelectric actuators are often utilized for flow and level measurements and adjustments, scanning microscopy, and microdosing, commonly found in the industrial and commercial industries. Learn more about piezo tubes here.

Piezoelectric Bimorph

Bimorph piezoelectric actuators consist of two active piezoelectric layers bonded to a passive metal substrate or bonded directly together. This causes a bending motion that can either perform a desired task or generate a readable electrical output. Learn more about piezo bimorphs here.

Piezoelectric Unimorph

Unimorph piezoelectric actuators consist of one active piezoelectric layer often bonded to a passive metal substrate. Unimorph actuators deform in a single direction when activated by an electrical input and translate it into a mechanical output.piezo element arduino.

Piezoelectric Plates and Blocks

Piezoelectric actuators shaped as plates and blocks can be engineered into any shape. Piezo block actuators are used for high power generation and applications. Learn more about piezo plates and blocks here .

Your Trusted Piezo Supplier for High-Quality Piezoelectric Products

FBelec was founded in 1997 and is a professional joint-stock company that integrates the research and development, production, and supply of piezoelectric ceramic products and services such as piezoelectric ceramic sheets, piezoelectric components, ultrasonic transducers, and ultrasonic sensors.

FBelec has 500 employees and a factory covering an area of 13000 square meters. It has introduced a new production line and adopts advanced centrifugal granulation and fully automatic hydraulic forming technology. It has the ability to produce piezoelectric ceramic powder, 600000 pieces of piezoelectric ceramic chips, 60000 pieces of ultrasonic transducers and other products per month. The company designs and produces OEM products according to user needs.

FBelec Focusing on spherical crown piezoelectric ceramic sheets
Available diameter range: from 2mm to 100mm
Available frequency range: 200kHz to 10MHz
High durability: can exceed 3000 hours at 10W/cm2

Advanced ceramic metallization: nickel, titanium alloys, gold, etc
Customizable for various complex electrode patterns
FBelec produce micro piezoelectric ceramic

Ultra miniaturization: minimum 1mm level
Ultra high frequency: up to 12MHz
Various shapes: disc, square, ring, tube, focusing ball crown
Advanced ceramic metallization: nickel, titanium alloys, gold, etc
Customizable for various complex electrode patterns

Piezoelectric Ceramic Manufacturer Process

The process flow chart is as follows: ingredients - mixed grinding - pre firing - secondary grinding - granulation - forming - shaping - sintering into ceramics - external processing - electrode - high voltage polarization - aging test.

01. Ingredients: Conduct pre-treatment, remove impurities and moisture, and then weigh various raw materials according to the formula proportion. Pay attention to placing a small amount of additives in the middle of the large material.

02. Mixing and grinding: The purpose is to mix and grind various raw materials evenly, preparing conditions for complete solid-phase reaction in pre firing. Generally, dry or wet grinding methods are adopted. Dry grinding can be used for small batches, while stirring ball milling or airflow crushing can be used for large batches, resulting in higher efficiency.

03. Pre firing: The purpose is to synthesize piezoelectric ceramics by solid-phase reactions of various raw materials at high temperatures. This process is very important. It will directly affect the sintering conditions and the performance of the final product.

4. Secondary fine grinding: The purpose is to finely vibrate, mix, and grind the pre fired piezoelectric ceramic powder, laying a foundation for the uniform performance of the porcelain.

05. Granulation: The purpose is to form high-density particles with good fluidity in the powder.

06. Forming: The purpose is to press the prepared material into a preform of the required size.

07. Molding: The purpose is to remove the adhesive added during granulation from the blank.

08. Sintering into porcelain: Seal and sinter the blank into porcelain at high temperature. This stage is quite important.

09. Appearance processing: Grinding the fired product to the required finished product size.

10. Electrode: Set conductive electrodes on the required ceramic surface. The general methods include silver layer sintering, chemical deposition, and vacuum coating.

11. High voltage polarization: Orientates the arrangement of electric domains inside ceramics, thereby endowing them with piezoelectric properties.

12. Aging test: After the ceramic performance stabilizes, various indicators are tested to see if it meets the expected performance requirements.

FBelec is the expert of piezo ceramics, We are real manufacture with 20years experiences in this field. We can customized various piezoelectric ceramics , PZT ring , piezo disc , piezo plate , piezo cylinder, piezo unimorph, piezo bimorph, self drive piezo diaphram, external drive piezo diaphram, mist generation, piezo transducer atomizer , piezo microporous atomizer, ultrasonic transducer, piezoelectric transducer, etc….