Aluminum Nitride Tube
Technical data sheet for aluminum nitride tube
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Reference code: |
HM1918 |
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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 tube
Aluminum nitride tubing is a high-performance ceramic material with excellent thermal conductivity, electrical insulation, and mechanical strength. It also boasts exceptional high-temperature resistance and chemical stability, enabling it to remain stable in inert environments at temperatures exceeding 2000°C. Advanced Ceramics Hub can supply customized solutions in terms of diameter, length, wall thickness, and surface finish to meet diverse industrial and research requirements.
Advantages of aluminum nitride tubing
- High thermal conductivity (170-230 W/mK), up to 9.5 times that of alumina.
- A coefficient of thermal expansion similar to that of silicon (Si).
- Superior electrical insulation and lower dielectric constant.
- Greater mechanical resistance (450 MPa).
- Excellent resistance to corrosion from molten metal.
- High purity and non-toxic.
Applications of aluminum nitride tubing
- Electronic devices – for heat dissipation and packaging.
- High temperature applications – in furnace tubes and heat exchangers.
- Laser technology – for thermal management.
- Aerospace and military – in sensors and electronic protection.
- Electrical insulation – in high voltage equipment.
- Semiconductors and LEDs – as substrates for heat dissipation.
- Sensors and detectors – in high temperature and high pressure environments.
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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