Aluminum nitride powder

Aluminum nitride is an inorganic compound with the chemical formula AlN. It is a material with high thermal conductivity, high electrical insulation, low thermal expansion coefficient, and good mechanical properties. Aluminum nitride powder is usually prepared by methods such as direct nitridation, carbon thermal reduction, or plasma chemical vapor deposition.
Aluminum nitride powder is a high-purity and highly active fine ceramic powder with the following characteristics:
High thermal conductivity: Aluminum nitride has extremely high thermal conductivity, reaching 170-280 W/m · K, making it an ideal thermal management material.

High electrical insulation: Aluminum nitride has excellent electrical insulation properties and is suitable for electronic and power equipment.
Low thermal expansion coefficient: The thermal expansion coefficient of aluminum nitride is similar to that of silicon, making it suitable for electronic packaging and heat sinks.
Good mechanical properties: Aluminum nitride has high hardness and wear resistance, suitable for high load and high temperature environments.

Aluminum nitride powder is usually white or off white in color, and the particle size varies depending on the preparation method. The common particle size ranges from tens of nanometers to tens of micrometers. The morphology of the powder can be spherical, flaky, or irregular, depending on the preparation process.

Aluminum nitride powder customization details
According to different application requirements, aluminum nitride powder can be customized, including but not limited to the following aspects:
Particle size distribution: Aluminum nitride powder with different particle size ranges can be customized according to customer needs to meet specific application requirements.
Purity: Depending on the application scenario, different purities of aluminum nitride powder can be provided, typically ranging from 99.0% to 99.999% purity.
Appearance: Different morphologies of aluminum nitride powder can be customized according to customer needs, such as spherical, flake, or irregular shapes.
Surface treatment: According to application requirements, aluminum nitride powder can be surface treated, such as oxidation, reduction, or coating, to improve its performance.
Packaging: Different specifications of packaging can be provided according to customer needs, such as vacuum packaging, nitrogen filled packaging, etc., to ensure the stability of the powder during transportation and storage.

Application area
Aluminum nitride powder is widely used in the following fields:
Electronic packaging: Utilizing its high thermal conductivity and low thermal expansion coefficient for heat dissipation and packaging of electronic devices.
Thermal management materials: used for heat dissipation of high-power LEDs, power semiconductors, and other high heat flux density devices.
Structural ceramics: used to prepare ceramic components with high hardness and wear resistance.
Refractory materials: refractory materials and insulation materials used in high-temperature environments.

Aluminum nitride powder is an advanced ceramic material with excellent properties, widely used in fields such as electronics, power, machinery, and high temperature. Through customized services, we can meet the needs of different customers and application scenarios, providing high-performance and highly reliable aluminum nitride powder products.