Overview of High Voltage Ceramics 95% Alumina Al2o3 Metallized Ceramic Plate in Electrical and Electronic Devices Metal Brazing

High Voltage Ceramics 95% Alumina Al2o3 Metallized Ceramic Plate in Electrical and Electronic Devices Metal Brazing is advanced ceramic components made from high-purity aluminum oxide (Al₂O₃), known for their exceptional hardness, thermal stability, and corrosion resistance. These plates are widely used in demanding industries such as electronics, aerospace, semiconductor manufacturing, and high-temperature furnace applications due to their superior electrical insulation and wear-resistant properties.

Key Features of High Voltage Ceramics 95% Alumina Al2o3 Metallized Ceramic Plate in Electrical and Electronic Devices Metal Brazing

High Thermal Resistance ：Withstands extreme temperatures up to 1600°C.

Excellent Electrical Insulation：Ideal for electronic substrates & insulators.

Superior Mechanical Strength：High hardness & wear resistance for long-lasting performance.

Chemical & Corrosion Resistance：Resists acids, alkalis, and harsh environments.

Customizable：Available in various sizes, thicknesses, and purity levels (96%-99.9%).

(High Voltage Ceramics 95% Alumina Al2o3 Metallized Ceramic Plate in Electrical and Electronic Devices Metal Brazing)

Specification of High Voltage Ceramics 95% Alumina Al2o3 Metallized Ceramic Plate in Electrical and Electronic Devices Metal Brazing

These ceramic plates make use of 95% pure alumina. That’s Al2O3. They are developed difficult. They manage really high voltages safely. This makes them ideal for requiring electrical parts. Assume power transmission equipment or significant electronic devices. You need reputable insulation there. Alumina provides that.

The surface obtains an unique steel coating. This is called metallization. We generally use molybdenum or manganese. Occasionally a mix works finest. The layer bonds incredibly well to the ceramic itself. This bond is strong. It’s also really stable. Warm and electrical power don’t conveniently damage it.

This metallized surface is vital. It lets you braze the ceramic straight to metal parts. Brazing utilizes a filler steel. You warm whatever up. The filler thaws. It moves onto the metallized layer. It bonds firmly as it cools. You get a solid, permanent seal. It’s leak-proof. It’s also electrically seem. The connection stays strong for several years.

Why choose 95% alumina? It manages severe warmth. It resists electrical current extremely well. It’s extremely stiff. It will not bend or flex a lot. It’s also really hard. It resists scratches and wear. It lasts. It will not damage down quickly. It remains stable under rough conditions. Voltage spikes or big temperature adjustments don’t generally daunt it.

The thermal expansion matters. Alumina broadens a little bit with warmth. Yet it broadens at a rate comparable to many steels. This is important for brazing. Various growth rates trigger stress and anxiety. That can crack the joint. Matching prices indicates the seal remains undamaged.

(High Voltage Ceramics 95% Alumina Al2o3 Metallized Ceramic Plate in Electrical and Electronic Devices Metal Brazing)

Applications of High Voltage Ceramics 95% Alumina Al2o3 Metallized Ceramic Plate in Electrical and Electronic Devices Metal Brazing

95% alumina porcelains provide outstanding electrical insulation. They endure very high voltages accurately. This makes them best for requiring electrical applications. Metallized ceramic plates take this additionally. An unique steel layer bonds permanently to the alumina surface. Molybdenum-manganese paste is typically used and discharged. This creates a robust, conductive surface area all set for joining. Steel brazing connects this metallized ceramic directly to steel components. Brazing uses a filler metal with a reduced melting point. The filler steel melts and flows right into the joint. It creates a solid, hermetic seal upon air conditioning. This seal is vital for avoiding leaks. It also makes certain exceptional electric continuity. The joint withstands high temperatures and thermal cycling. This process is essential for constructing high-voltage parts. Metallized alumina plates are important for ceramic-to-metal seals in feedthroughs. Feedthroughs allow electric connections right into closed enclosures. High-voltage vacuum cleaner tubes depend on these seals. Power semiconductor packages use them thoroughly. They are type in high-power buttons and breaker. High-voltage insulators typically integrate brazed metallized porcelains. Sensors operating under extreme electrical anxiety need this modern technology. The ceramic provides unparalleled insulation integrity. The metallization uses a dependable bonding surface area. Brazing develops an irreversible, high-performance metal-ceramic union. This mix handles severe electric and thermal problems. It guarantees lasting stability and safety and security in critical devices.

Company Profile

Alumina Technology Co., Ltd,. We focus on the research and development, production and sales of alumina products, serving the electronics, ceramics, chemical and other industries. Since its establishment in 2005, the company has been committed to providing customers with the best products and services, and has become a leader in the industry through continuous technological innovation and strict quality management.

Our products includes but not limited to Alumina Boat, Alumina Crucible, Alumina Dish, Alumina Foam Filter, Alumina Plate, Alumina Rod, Alumina Bar, Alumina Balls, Filter Alumina, Nano Alumina Powder, Spherical Alumina Powder, ect. please feel free to contact us.([email protected])

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of High Voltage Ceramics 95% Alumina Al2o3 Metallized Ceramic Plate in Electrical and Electronic Devices Metal Brazing

What are metallized alumina ceramic plates?
These plates start as 95% alumina ceramic. Manufacturers add a thin metal layer onto the ceramic surface. This metal layer is usually molybdenum-manganese. The metal layer allows strong brazed joints to metal parts. This is vital in high voltage electrical devices.

Why use 95% alumina ceramic?
Alumina ceramic offers excellent electrical insulation. This is critical for high voltage applications. It prevents dangerous electrical currents from leaking. The 95% purity level gives a good balance. It provides strong insulation and is cost-effective. Higher purity is often unnecessary here. The material is also very hard and resists wear well.

How does the metallization help with brazing?
Brazing directly joins ceramic to metal poorly. The surfaces don’t bond well. The metallized layer solves this problem. The metal layer bonds tightly to the ceramic base during firing. Later, standard metal brazing alloys easily wet this metal layer. This creates a strong, reliable, and vacuum-tight seal between the ceramic part and its metal housing or electrode.

What surface finish is needed?
The ceramic surface must be very smooth before metallization. A fine surface finish is essential. Rough surfaces cause weak spots. Weak spots lead to electrical failure under high voltage stress. Precision grinding ensures this smoothness. It guarantees consistent performance and safety.

What temperatures can it handle?
These metallized alumina plates handle extreme heat well. They withstand temperatures over 1000°C. This is much higher than most plastics or standard circuit board materials. This high temperature tolerance is crucial. Electrical devices often generate significant heat during operation. It also allows brazing using high-melting point alloys. This ensures joint stability in demanding environments.

(High Voltage Ceramics 95% Alumina Al2o3 Metallized Ceramic Plate in Electrical and Electronic Devices Metal Brazing)