Aluminum Nitride Nanopowder ( AlN, 99.5% 35nm )

Aluminum nitride (AlN) nanopowder is an advanced ceramic material with a particle size of 35 nanometers and a purity of 99.5%. Renowned for its exceptional thermal and electrical properties, AlN is widely used in applications demanding superior thermal management, electrical insulation, and mechanical performance.

Composition and Structure

AlN (Aluminum Nitride):
Aluminum nitride is a high-performance material known for its unique combination of high thermal conductivity and electrical insulation. It exhibits a hexagonal crystal structure that provides mechanical strength and stability. AlN is also highly resistant to oxidation, even at elevated temperatures, ensuring long-term durability in extreme conditions.

Purity (99.5%):
The high purity of AlN nanopowder minimizes impurities, reducing the likelihood of performance degradation in critical applications. This level of purity ensures reliable and consistent results, making the material suitable for advanced technological uses.

Particle Size (35 nm):
With a nanoscale particle size, AlN nanopowder offers a large surface area, enhancing its thermal conductivity and sintering properties. At this scale, the material exhibits improved dispersion and reactivity, allowing for better integration into composites and coatings.

Properties

Thermal Conductivity:
AlN is one of the most thermally conductive ceramics, typically exceeding 170 W/m·K. This makes it ideal for applications requiring efficient heat dissipation, such as electronic substrates and heat sinks.

Electrical Insulation:
AlN nanopowder has high electrical resistivity, making it an excellent choice for insulating materials in electronic circuits and components.

Mechanical Strength:
The material exhibits superior mechanical properties, including high hardness and resistance to wear and fracture, enabling it to withstand mechanical stresses in demanding environments.

Chemical Stability:
AlN is chemically stable and resists oxidation and corrosion, even in harsh conditions, ensuring durability in industrial and high-temperature applications.

Applications

1. Electronics and Semiconductors:

• Thermal Management: Used in heat sinks, substrates, and thermal interface materials to improve the performance and lifespan of electronic devices.
• LEDs: AlN provides an excellent base for LED substrates, enhancing thermal efficiency and light output.

2. Aerospace and Automotive:

• High-Temperature Components: AlN is used in aerospace and automotive parts that require thermal stability and resistance to wear.
• Sensors: Its electrical insulation properties make it suitable for use in high-performance sensors.

3. Advanced Ceramics:

• Ceramic Composites: Incorporated into advanced ceramic matrices to improve mechanical and thermal properties.
• Cutting Tools: AlN enhances durability and performance in cutting and abrasive tools.

4. Optoelectronics:

• Optical Applications: AlN’s transparency in the UV range makes it suitable for optical windows and lenses.

5. Energy and Power Systems:

• High-Power Electronics: Used in power converters and inverters due to its ability to manage heat and ensure electrical insulation.

Safety and Handling

Health Considerations:
Due to its nanoscale size, AlN nanopowder should be handled with care to avoid inhalation or skin contact. Use personal protective equipment such as gloves, masks, and safety goggles during handling.

Environmental Impact:
AlN is generally non-toxic and environmentally stable, but proper disposal and storage are recommended to minimize potential environmental effects.

Summary

Aluminum nitride nanopowder (99.5%, 35 nm) is a high-performance material with exceptional thermal conductivity, electrical insulation, and mechanical strength. Its nanoscale size enhances thermal and sintering properties, making it suitable for diverse applications in electronics, aerospace, ceramics, and energy systems. With its high purity and stability, AlN is an indispensable material in industries requiring advanced thermal management and durable ceramic solutions.