summary
Piezoelectric ceramic electrode silver pasteIt is a material used for making piezoelectric ceramic electrodes, widely used in fields such as ultrasonic sensors, surface acoustic wave filters, piezoelectric ceramic motors, etc. Its main components are silver powder and organic solvents. By controlling its ratio and processing technology, different electrode shapes and electrical performance requirements can be achieved.
Material composition
The main components of silver paste for piezoelectric ceramic electrodes are silver powder and organic solvents. Silver powder is its main conductive component, with good conductivity and chemical stability, and can be sintered into dense electrodes at high temperatures. Organic solvents serve as carriers, which can evenly disperse silver powder and act as volatile additives during pressing and sintering processes.
In addition,
Piezoelectric ceramic electrode silver pasteAdditives such as dispersants, binders, surfactants, etc. are often added to improve its flowability, adhesion, stability, and other properties.
Preparation method
The preparation of piezoelectric ceramic electrode silver paste usually involves the following steps:
Silver powder treatment: Surface treatment of silver powder to improve its dispersibility and adhesion.
Solvent configuration: Mix organic solvents and additives in a certain proportion to form the base liquid of silver paste.
Mixing: Gradually add silver powder to the base liquid while continuously stirring and dispersing until evenly mixed.
Filtering: The mixed silver paste is filtered out of impurities and particles through a filter to ensure the quality of the electrode.
Viscosity adjustment: Adjust the viscosity of the silver paste according to specific requirements to adapt to different processing techniques.
Packaging and Storage: Adjust the
Silver pastePut it in a sealed container to avoid moisture or volatilization, in order to ensure its long-term stability and effectiveness.
application area
Piezoelectric ceramic electrode silver paste is a material widely used in the production of piezoelectric ceramic electrodes. Due to its excellent electrical and mechanical properties, as well as its advantages such as reversibility and stability, piezoelectric ceramics have been widely used in fields such as ultrasonic sensors, surface acoustic wave filters, and piezoelectric ceramic motors.
In ultrasonic sensors,
Piezoelectric ceramic electrode silver pasteMainly used to make electrodes for sensors, ultrasonic waves are transmitted and received through electrical coupling between the electrodes and piezoelectric ceramics. In surface acoustic wave filters, piezoelectric ceramic electrode silver paste is mainly used to make the electrodes of the filter, and the frequency response of the filter is achieved by adjusting the size and shape of the electrodes. In piezoelectric ceramic motors, piezoelectric ceramic electrode silver paste is mainly used to make the electrodes of the motor, and the rotation of the motor is achieved by controlling the electric field distribution of the electrodes.
conclusion
Piezoelectric ceramic electrode silver paste is an important electrode material with good conductivity, chemical stability, and processability. Its preparation method is simple and has a wide range of applications, which is of great significance for promoting the development of piezoelectric ceramic technology.
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