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Conductive Boron Nitride BN Ceramics Composite for Advanced Applications

Thin Film Deposition Parts

Conductive Boron Nitride BN Ceramics Composite for Advanced Applications

Item Number : KM-D9

Price varies based on specs and customizations

Material
Boron nitride
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Application   

Boron nitride is a heat-resistant and chemical-resistant compound, and its electrical insulation and electrical breakdown strength are 3-4 times that of alumina. Low coefficient of friction for use up to 900°C in oxidizing atmospheres and up to 2000°C in vacuum. Boron nitride ceramics have good electrical properties. Since ceramics do not conduct electricity, they can be used as electrical insulators. At the same time, due to the characteristics of boron nitride itself, the dielectric constant and dielectric loss are very small, so it is an ideal material for electrical insulation.

  • Sintering and smelting of metal materials, rare earths and ceramics.
  • Alternatives to graphite and aluminum ceramics.
  • High temperature electric furnace components.
  • Metal evaporation crucible.
  • Mold parts for casting precious metals or special alloys.
  • High temperature support parts and stressed parts.
  • Melting metal delivery pipes and nozzles.

Detail & Parts

Conductive composite boron nitride ceramics detail 1

Conductive composite boron nitride ceramics detail 2Conductive composite boron nitride ceramics detail 3Conductive composite boron nitride ceramics detail 4Conductive composite boron nitride ceramics detail 5Conductive composite boron nitride ceramics detail 6

The produce we show are available in different sizes and custom sizes are available on request.

Advantages

  • Good machinability
  • Low dielectric constant
  • Excellent dielectric strength
  • Low wettability to molten metal
  • Relatively high thermal conductivity and low thermal expansion
  • High thermal shock resistance compared to other ceramics
  • Extremely high operating temperature and proper inert gas protection

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FAQ

What Are The Applications Of Boron Nitride Ceramic Parts?

Boron Nitride ceramic parts find applications in various industries. They are commonly used in high-temperature environments, such as in thermal management systems, crucibles, heaters, and insulators. Due to their excellent thermal conductivity, Boron Nitride ceramic parts are used as heat sinks, substrates for electronic devices, and components in high-power electronics. They are also utilized in the aerospace industry for applications requiring lightweight and high-temperature resistance, such as rocket nozzles and thermal shields. Boron Nitride ceramic parts are also used in the semiconductor industry as wafer carriers, crucibles for crystal growth, and insulators. Additionally, they find applications in the chemical industry, where their chemical inertness and resistance to corrosion make them suitable for handling corrosive materials.

What Are Advanced Ceramics?

Advanced ceramics are specialized ceramic materials with enhanced properties such as high strength, high temperature resistance, and excellent electrical conductivity. They are used in various industries due to their unique characteristics.

What Are The Advantages Of Using Boron Nitride Ceramic Parts?

Using Boron Nitride ceramic parts offers several advantages. Firstly, their high thermal conductivity allows for efficient heat transfer, making them ideal for applications requiring heat dissipation or thermal management. Secondly, Boron Nitride ceramics exhibit excellent electrical insulation properties, making them suitable for electrical and electronic applications. They have low dielectric loss and high dielectric strength, allowing for reliable electrical insulation even at high temperatures. Additionally, Boron Nitride ceramic parts have a low coefficient of friction, providing excellent lubrication and wear resistance in applications where low friction is desired. They are also chemically inert, making them resistant to most acids, alkalis, and molten metals. Boron Nitride ceramic parts can withstand high temperatures without significant deformation or degradation, making them suitable for use in extreme environments.

What Are The Main Types Of Advanced Ceramics?

The main types of advanced ceramics include alumina (Al₂O₃), zirconia (ZrO₂), silicon carbide (SiC), silicon nitride (Si₃N₄), aluminum nitride (AlN), and boron nitride (BN). Each type has specific properties suitable for different applications.

What Considerations Should Be Made When Selecting Boron Nitride Ceramic Parts?

Several considerations should be made when selecting Boron Nitride ceramic parts. Firstly, the specific application requirements should be evaluated, such as temperature range, electrical insulation properties, thermal conductivity, mechanical strength, and chemical resistance. This will help determine the appropriate grade or formulation of Boron Nitride ceramic to select. Secondly, the design and geometry of the ceramic part should be considered to ensure that it can be manufactured using the available processes and equipment. The dimensional tolerances and surface finish requirements should also be taken into account. Additionally, the cost and availability of the Boron Nitride ceramic parts should be considered, as different manufacturing processes and grades of Boron Nitride can vary in cost. It is advisable to consult with manufacturers or experts in the field to ensure that the selected Boron Nitride ceramic parts meet the specific application requirements.

What Are The Applications Of Advanced Ceramics?

Advanced ceramics are used in various fields such as aerospace, automotive, electronics, medical devices, and industrial machinery. They are valued for their high performance in extreme environments, including high temperatures and corrosive conditions.

What Manufacturing Processes Are Used To Produce Boron Nitride Ceramic Parts?

Several manufacturing processes can be used to produce Boron Nitride ceramic parts. The most common methods include hot pressing, hot isostatic pressing (HIP), and slip casting. Hot pressing involves compacting Boron Nitride powders under high pressure and temperature to form a dense ceramic. HIP involves subjecting the Boron Nitride powder compact to high temperature and pressure in an inert gas environment to achieve even higher density and eliminate any remaining porosity. Slip casting involves forming a slurry of Boron Nitride powder and a binder, pouring it into a mold, and then drying and firing the green body to produce the final ceramic part. Other processes, such as extrusion, injection molding, or machining, may be used for shaping and finishing the Boron Nitride ceramic parts, depending on the desired geometry and specifications.

How Are Advanced Ceramics Manufactured?

Advanced ceramics are typically manufactured through processes like sintering, hot pressing, or isostatic pressing. These methods ensure the formation of a dense, uniform structure with desired mechanical and thermal properties.

What Are The Advantages Of Using Advanced Ceramics?

The advantages of advanced ceramics include high hardness, wear resistance, excellent thermal and electrical insulation, high temperature resistance, and chemical stability. These properties make them ideal for demanding applications.

What Is The Difference Between Alumina And Zirconia Ceramics?

Alumina ceramics are known for their good electrical conductivity, mechanical strength, and high temperature resistance. Zirconia ceramics, on the other hand, are valued for their high strength, high toughness, and excellent wear resistance.

Why Are Silicon Carbide Ceramics Used In High-temperature Applications?

Silicon carbide (SiC) ceramics are used in high-temperature applications due to their high-strength, low-density, and excellent resistance to high temperatures. They are also resistant to chemical corrosion, making them suitable for harsh environments.

What Makes Boron Nitride Ceramics Unique?

Boron nitride (BN) ceramics are unique due to their high melting point, high hardness, high thermal conductivity, and high electrical resistivity. Their crystal structure is similar to graphene and harder than diamond, making them suitable for high-performance applications.

How Do Advanced Ceramics Contribute To Energy Efficiency?

Advanced ceramics contribute to energy efficiency by providing materials that can withstand high temperatures and corrosive environments in energy production and conversion processes. They help in reducing energy losses and improving the overall efficiency of systems.
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Conductive Boron Nitride BN Ceramics Composite for Advanced Applications

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