High power heating resistor paste

High power heating resistor pasteIt is composed of ceramics, conductive phases, glass fibers, etc. It is used as a material for processing high-power heating resistors. The invention of high-power heating resistor slurry is based on the demand for high-power heating resistors, which can convert direct current into thermal power with a certain temperature for processing various types of resistors.
1、 Overview
High power heating resistor paste is a type of resistor material used to manufacture high-power heating elements. It is a slurry made by mixing highly conductive metal powder and highly insulating ceramic powder, which is processed through pressing, drying, sintering and other processes to form a resistive material with high electrical resistivity, high power density, high temperature coefficient and other characteristics. This material is widely used in fields such as electronics, electrical appliances, automobiles, aviation, etc.
2、 Structure and Performance
The structure of high-power heating resistor paste is composed ofConductive metal powderComposed of insulating ceramic powder, the two are mixed in a certain proportion to formslurryDuring heating, metal powder undergoes resistance heating, while ceramic powder serves as insulation and support. Its performance mainly includes the following aspects:
Electrical resistivity: The electrical resistivity of high-power heating resistor paste is usually between 10-100 Ω· cm and can be adjusted as needed.
Power density: The power density of high-power heating resistor paste is usually between 10-100W/cm ² and can be adjusted as needed.
Temperature coefficient: The temperature coefficient of high-power heating resistor paste is usually between 200-400 ppm/℃ and can be adjusted as needed.
Insulation: High power heating resistor paste has good insulation performance and can withstand high electric field strength and high voltage.
Stability: The high-power heating resistor paste has good stability and can be used for a long time in harsh environments such as high temperature and high humidity.

3、 Preparation process
Material selection: Select appropriate conductive metal powder and insulating ceramic powder, and mix them in a certain proportion.
Processing: Add the mixed material to an organic solvent to make a slurry. Then, through screening, stirring, ultrasonic treatment and other steps, the slurry is made uniform and delicate.
Molding: Place the slurry into a mold and press it into shape.
Drying: Drying the formed body to remove organic solvents.
Sintering: Sintering the dried body at high temperature to form a dense structure.
4、 Application Fields
High power heating resistor paste is widely used in the following fields:
Electronics: Used for electronic components, circuit boards, etc.
Electrical appliances: used for heaters, ovens, etc.
Automobile: Used for automotive electronic devices, engine thermal management, etc.
Aviation: used for engines, air conditioning, etc.

5、 Outlook
With the continuous advancement of technology,High power heating resistor pasteThe application fields will become increasingly widespread. Meanwhile, with the continuous improvement and optimization of the preparation process, its performance and stability will also be continuously enhanced, providing more reliable and efficient resistance materials for the development of various fields.
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