Aluminum Nitride Ball
Aluminum Nitride Ball Data Sheet
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Reference Code: |
HM1924 |
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Purity: |
95%-99% |
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Density: |
3.32 g/cm3 |
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Appearance: |
Dark Gray / Light Gray / Beige |
Aluminum Nitride Ball
Aluminum Nitride Ball is made from high-purity aluminum nitride ceramic, possessing exceptional thermal conductivity (170-230 W/m·K), excellent electrical insulation, and high-temperature resistance (up to over 1000℃). It is manufactured using advanced processes, offering high hardness, a low thermal expansion coefficient, and excellent corrosion resistance. Advanced Ceramics Hub can supply customized solutions for various specifications to meet diverse industrial and research requirements.
Aluminum Nitride Ball Advantages
- High thermal conductivity (170-230 W/mK), up to 9.5 times that of alumina.
- A thermal expansion coefficient similar to that of silicon (Si).
- Superior electrical insulation and lower dielectric constant.
- Higher mechanical strength (450 MPa).
- Excellent resistance to molten metal corrosion.
- High purity and non-toxic.
Aluminum Nitride Ball Applications
- High-Temperature Applications: Due to its excellent heat resistance, aluminum nitride balls are widely used in bearings and moving parts in high-temperature environments.
- Electronics: In electronic devices like power modules and LED lighting, these ceramic balls are used for efficient heat dissipation and electrical insulation.
- Mechanical Industry: With high hardness and wear resistance, aluminum nitride balls are used in mechanical components that require high wear resistance, such as precision bearings and seals.
- Semiconductor Industry: In semiconductor manufacturing, these ceramic balls are used for support and heat dissipation to improve manufacturing precision.
- Aerospace: The high strength and heat resistance of aluminum nitride balls make them ideal for critical components in aerospace applications.
Thermal Management Techniques
Electrical and Electronic Area
automobile industry
Aerospace
Aluminum Nitride Material Properties
Aluminum Nitride Material Grades
HMAN1000 is our standard high purity aluminium nitride with a thermal conductivity of 170 W/mK. This is the same thermal performance as our substrate material but offers the possibility of larger pieces in length/width and in thicknesses up to 30mm.
HMAN1000 has good coefficient of thermal expansion – matched to silicon and gallium nitride over wide temperature ranges.
HMAN100 Applications:
- High power insulators
- Laser components
- Water cooled heatsinks
- Power electronics
- Aerospace, medical and semiconductor components
HMAN1000S 170 W/mK is our standard high thermal conductivity substrate material, However, other high-performance grades are also available.
HMAN1000S Applications:
- Heat sinks
- Heat spreaders
- Laser heatsinks power rectifiers
- Aerospace, power electronics, rectifiers
HMAN2000 is one of our enhanced grades of aluminium nitride, offering all the mechanical performance of HMAN1000 with the enhanced benefits of 200 W/mK thermal conductance.
HMAN2000 Applications:
- Heat sinks
- Heat spreaders
- Laser heatsinks power rectifiers
- Aerospace, power electronics, rectifiers
HMAN3000 is one of our enhanced grades of aluminium nitride offering, all the mechanical performance of HMAN1000 with the enhanced benefits of 230 W/mK thermal conductance.
HMAN3000 Applications:
- Heat sinks
- Heat spreaders
- Laser heatsinks power rectifiers
- Aerospace, power electronics, rectifiers
HMAN4000 is one of our enhanced grades of aluminium nitride offering, all the mechanical performance of HMAN1000 with the enhanced benefits of 200 W/mK thermal conductance.
HMAN4000 Applications:
- Heat sinks
- Heat spreaders
- Laser heatsinks power rectifiers
- Aerospace, power electronics, rectifiers
Aluminum Nitride Ceramic Machining
Aluminum Nitride (AlN) ceramic machining is a precise process used to fabricate high-performance components from aluminum nitride materials. Machining aluminum nitride ceramics requires specialized equipment and techniques to handle their brittleness and hardness. Proper tooling and controlled environments are essential to avoid material damage and achieve the desired surface finish and dimensional accuracy. The common machining methods are as follows:
- Diamond Cutting: Diamond tools are used to achieve fine precision and smooth surface finishes, ideal for complex shapes.
- Laser Cutting: A non-contact method used for intricate shapes, with high precision and minimal thermal impact.
- Precision Grinding: Utilized to achieve fine tolerances and surface finishes. Requires special care to prevent cracking or chipping due to the ceramic’s brittleness.
- Wire EDM (Electrical Discharge Machining): A method often used for intricate cutting, especially for thin and complex geometries.
Aluminum Nitride Ceramic Packaging
Aluminum Nitride Ceramic products are typically packaged in vacuum-sealed bags to prevent moisture or contamination and wrapped with foam to cushion vibrations and impacts during transport, ensuring the quality of products in their original condition.
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