Alumina Ceramic Plate

Alumina Ceramic Plate

Alumina ceramic plates are well-known for their hardness, wear resistance, and electrical insulation. These plates have numerous applications across various sectors, including the electronics, metallurgy, medical, semiconductor, and armor systems. Unipretec offers ceramic plates with different levels of alumina purity, ranging from 95% to 99.8% alumina content. These plates are custom-cut to satisfy particular requirements, making them an ideal option for demanding and specialized applications.

Depending on their purity levels, our alumina ceramic plates are offered in various grades. It can vary based on the particular application and requirements.

Characteristics of Alumina Ceramic Plate

-High compressive and flexural strength;

-Non-porous;

-Low thermal expansion;

-High mechanical strength and hardness;

-High volume resistivity;

-Resistance to abrasion and chemical attack;

-Low loss, constant high dielectric;

-Electrically and dimensionally stable across a wide temperature range;

-Can be thick film metallized with noble metal;

-Excellent electrical insulator.

 

Common Sizes of Alumina Ceramic Plate

The common size of alumina ceramic plates vary based on the specific application and industry requirements. Some standard sizes and thicknesses are frequently employed for general use. Some common sizes are shown below:

Square or Rectangular Plates

Alumina Ceramic Plate

Round Plates

Alumina Ceramic Plate

Custom Size Plates

In addition to the above-mentioned standard dimensions, alumina ceramic plates can also be customized to meet the specific requirements of customers. According to the requirements of the application, the size and thickness can be cut.

 

Customized Alumina Ceramic Plate

Unipretec can carry out a number of machining operations on alumina ceramic plates based on a great deal of experience, various machining tools and technologies. Alumina ceramics are commonly machined using the following methods:

Grinding and Lapping

Alumina ceramic plates are ground and lapped to attain tight dimensional tolerances and smooth surface finishes.

Drilling

Alumina ceramic plates can be drilled with accurate hole diameter and without edge breaking.

Laser Machining

Laser machining is used to carve or engrave complex patterns on alumina ceramic plates.

Waterjet Cutting

Waterjet cutting is used to create intricate shapes and does not produce heat throughout the operation.

 

Aluminum Oxide Ceramic Plate Benefits

Longevity

In demanding settings, long-term durability and dependability are guaranteed by high mechanical strength, hardness, and chemical resistance.

Thermoregulation

Good heat dissipation made possible by excellent thermal stability and conductivity enhances performance in high-temperature applications.

Insulating Electrical Systems

Reliable electrical isolation—essential for electronic and high-voltage applications—is provided by superior electrical insulation qualities.

Versatility

The special mix of qualities of alumina plates makes them appropriate for a broad variety of applications in many sectors.

Specification Engineering

Applications demanding close tolerances depend on accurate machining and assembly made possible by minimal thermal expansion and high dimensional stability.

 

Aluminium Oxide Ceramic Plate Applications

Electronics

Used in electronic devices where thermal management and electrical insulation are essential as substrates for integrated circuits (ICs), heat sinks, and insulating components.

Aerospace and Defense

Used in aeronautical components like heat shields, armor, and turbine blades because of their considerable strength, thermal stability, and light weight.

Medical Devices

Medical Devices Durable, chemical inert, and biocompatible medical implants, surgical instruments, and diagnostic devices.

Products for Industry

Used in bearings, seals, and wear-resistant elements of machinery when performance and dependability in harsh environments are needed.

Department of Energy

used in energy applications including glass production and metallurgy, as furnace linings, crucibles, and thermal barriers.

 

Plates made of alumina and their sizes

Diversity of size

Alumina ceramic plates can be made to any size the customer requests; there is no set size restriction. Typically, nevertheless, the traditional size is no larger than 120mm by 120mm. Usually, unusual shapes or items larger than this size call for specialized manufacturing.

Rang of thickness

Alumina ceramic plate thicknesses fluctuate widely, from 0.25 mm to 3.0 mm or more.

Customizing of forms

In order to suit a range of application situations, alumina ceramic plates can be formed into flat, perforated, round, square, or slit processing forms.

Technical specifications

High processing accuracy is possible with alumina ceramic plates; the maximum value is ±0.01mm.

Production technology

Different molding procedures may influence the pricing and performance of the product. Alumina ceramic plates are produced via dry pressing and isostatic pressing.

 

Aluminum oxide ceramic plates, or alumina plates, play a critical role in various industrial applications due to their outstanding mechanical strength, thermal stability, electrical insulation, and chemical resistance. Their versatility and reliability make them indispensable in electronics, aerospace, medical, and industrial sectors where high-performance materials are essential for innovation and advancement. As technology continues to evolve, the demand for aluminum oxide ceramic plates is expected to grow, driving further research and development in ceramic material science and applications.

Due to their superior material properties, alumina ceramic plates have extensive applications, including:

Electronic Components

Electronic components like integrated circuits (ICs) and semiconductor devices frequently use alumina ceramic plates as substrates. They are perfect for dissipating heat and providing electrical isolation due to their outstanding thermal conductivity and electrical insulating properties.

Chemical Processing Equipment Lining

Alumina ceramic plates can be utilized as corrosion-resistant linings in chemical processing equipment, storage tanks, and reactors because they are resistant to a variety of chemicals. They offer protection against acidic and alkaline conditions.

Wear Parts

In applications requiring wear resistance, alumina ceramic plates are employed. They are used as liners in chutes, hoppers, and other machinery that handles abrasive materials such as coal, minerals, and ores. They are effective at reducing wear and extending the equipment's lifespan because of their great strength and hardness.

Furnace Setter Plate

In high-temperature conditions, alumina ceramic plates are typically utilized as furnace fixtures, sintering setter plates, and heating elements. They can endure high temperatures ranging from 1500 to 1700 °C while retaining their mechanical characteristics.

Electronic Packaging

Alumina ceramic plates are employed as packaging materials for electronic components, providing protection and electrical insulation for delicate equipment.

 

It's vital to remember that depending on the industry and use case, the specific application and performance required for the alumina ceramic plate may differ. For diverse applications, different grades of alumina ceramics with varying purity, hardness, and other property levels can be used.

The grade of alumina ceramic plate to use is determined by the detailed needs of your application. When choosing the optimal grade of alumina ceramics, one must take the desired application environment into account, as well as factors such as mechanical, thermal, electrical, and chemical characteristics.

 

For some applications, exact dimensions and smooth surface finishes are necessary. Make sure the grade you choose can be machined or processed to your desired tolerance and surface finish needs.

 

Contact Unipretec for advice. Based on the requirements of your application, we can advise you on the best grade to use. If possible, test alumina ceramic samples of various grades in your specific application to evaluate their performance in real-world situations.

Frequently Asked Questions of Alumina Ceramic Plate

Q: Can I cut alumina ceramic plate by myself?

A: Because alumina ceramic plates are extremely hard and brittle, cutting them by yourself might be challenging. Alumina ceramic is one of the hardest materials known; therefore, cutting it with conventional instruments such as saws or drills is difficult and may result in damage or breakage.

 

It would be possible to cut alumina ceramic plates if you have expertise and the access to specialized tools for cutting ceramics, such as diamond-coated blades or water jet cutters. Nonetheless, it is crucial to take proper safety precautions because the procedure may produce fine ceramic dust that could be hazardous if inhaled.

 

It is advised to purchase pre-cut alumina ceramic plates from Unipretec if you require them in particular shapes or sizes. We are equipped with the knowledge and devices required to handle alumina ceramics correctly, ensuring accurate cuts without jeopardizing the material's integrity. Additionally, purchasing pre-cut alumina ceramic plates can help you save time and effort while providing high-quality outcomes for your intended uses.

 

Q: Is alumina ceramic plate expensive?

A: The cost of alumina ceramic plates varies depending on numerous factors, including alumina purity, plate size and thickness, and manufacturing process. Alumina ceramic plates are generally more expensive than other common materials such as steel or plastics, but they are still preferred in many industries due to their superior properties, such as high hardness, wear resistance, electrical insulation, and chemical resistance. In many applications like electronics, medical devices, and wear-resistant components, the improved durability and dependability justify the higher cost. In addition, alumina ceramic is the most cost-effective material when compared to other ceramic materials like zirconia or silicon nitride.

 

Q: How long does alumina ceramic plate last?

A: Alumina ceramic plates are more durable and dependable than the majority of metal options. Nevertheless, there is no consensus on how long this situation will last. This depends on a number of factors, such as air flow, temperature, hours used, cycle time, etc.

Alumina Ceramic Plate
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