Brazed Metal To Ceramic Contactor
Products Description
The Brazed Metal To Ceramic Contactor series includes ceramic-shell contactors in various specifications, along with matching metal components and coil assemblies. These products use high-purity alumina ceramic as the core substrate, achieving a seamless bond between metal and ceramic through precision brazing. They are core relay components suitable for high-voltage DC and new energy vehicle applications, possessing characteristics such as ultra-high voltage insulation, extreme environment resistance, and high current carrying capacity, and support customized production.
Key Selling Points
Highly Reliable Electrical Connection
Advanced brazing technology for HVDC Contactor High Purity Ceramics Shell For Relay achieves a hermetically tight, permanent connection between the metal and ceramic, maintaining stable electrical and mechanical performance even under high voltage, high current, and harsh environments.
Insulation and Heat Dissipation
The high-purity EV Relay Metallized High Alumina Ceramic shell combines high dielectric strength, volume resistivity, and excellent thermal conductivity, protecting against high-voltage arc breakdown while providing rapid heat dissipation, thus enhancing load capacity and lifespan.
Customized Metallization Layer
Professional metallization treatment of the Metallized Alumina-Based Ceramics for EV DC Contactor surface forms a robust, highly conductive layer, providing a perfect interface for brazing. This is the core technology for high-performance EV relay metallized high-alumina ceramic components.
Robust Sealed Structure
The mechanical strength of the brazed joint is close to that of the ceramic body, with excellent hermetically tightness. It can resist arc impact, mechanical stress, and the intrusion of external impurities, ensuring long-term safe operation of the components.
Manufacturing Process
Ceramic Preparation: High-purity alumina powder with a purity of over 96% is selected and formed through dry pressing, isostatic pressing, or tape casting, followed by precision sintering to create high-density, high-strength Relay Alumina Ceramic Components.
Metallization and Brazing: As described above, through multiple precision processes including metallization, nickel plating, assembly, and brazing, a non-removable HVDC Contactor High Purity Ceramics Shell For Relay is formed.
Post-treatment and Electroplating: After brazing, necessary cleaning and grinding are performed. The metal parts can be plated with silver, gold, tin, etc., as required to optimize EV Relay Metallized High Alumina Ceramic conductivity, solderability, and corrosion resistance.
Product Details
Dense Microstructure: Under a high-magnification microscope, the Metallized Alumina-Based Ceramics for EV DC Contactor grains are uniform with extremely low porosity. The interface between the metallization layer and the ceramic substrate is clear, without cracks or voids.
Smooth and Uniform Welds: The brazed joints are full and continuous, with sufficient solder spread, without any incomplete soldering or over-soldering, ensuring Relay Alumina Ceramic Components optimal mechanical and electrical connections.
High Dimensional Accuracy: The HVDC Contactor High Purity Ceramics Shell For Relay's shape, hole diameter, and position are all precision-machined or ground to meet precision assembly requirements. Key dimensions in the illustrations are clearly marked with tolerances.
Excellent surface finish: The Brazed Metal To Ceramic Contactor surface can achieve a specific finish as needed, and the electroplated layer of the metal parts is uniform, glossy, and free of burrs or contaminants.
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