The salient features and practical applications of nano aluminium nitride

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The nano aluminum nitride is produced by aerosol ablation. It has high purity, a very small particle, high specific surface area, high surface activity, and large surface. The powder that has been surface modified will not undergo hydrolysis and have a very low oxygen content. Insulation and thermal conductivity are very evident (0.01%). The viscosity does not show up when used in polymer fillers. This is the current best high thermal conductivity insulation filler. Nano Aluminium Nitroride

The resistance is 1015, it can withstand a high temperature of 1400 degrees, and has a small thermal expansion coefficient. The resistivity of the material is 1015. It can also withstand high temperatures of up to 1400 degrees. It can significantly improve the thermal conduction of silicone rubber and polymers. It is a thermal shock resistant material.

Nano aluminum nitride exhibits good properties for injection molding; it also has a high resistance to corrosion in molten metal.

A application of nano aluminium nitrogen

1. The materials can be used in the manufacture of electronic devices, optic devices, integrated circuits, and high-temperature crucibles. They are also useful for the preparation of metal-based and composite materials. It can replace the micron aluminum alloy currently imported.

2. Thermally-conductive silica and thermally-conductive epoxy resins: Ultra-high-thermal-conductive silica prepared with nano-aluminum nitride is characterized by good thermal conductivity. It has a super-insulating property, a large electrical insulation range, a high operating temperature (80-250°C), and lower consistency. These include the space between the CPU radiator and high power transistors, thyristors components, diodes and the heat transfer material at the slits that are in contact with substrate. Nano thermal paste fills the gap between IC, triode, and heat sink. It also increases the contact surface between them to achieve a greater heat dissipation.

3. Nano lubricating and anti-wear agent. Modified nano aluminum-nitride ceramics added to the nanoceramic engine oils act on metal surfaces inside the engine. This lubricating and anti-wear agent is firm and can penetrate into micropores or dents in the metal surface, repairing the damaged surface, and forming a nanoceramic protective layer. The film layer has an isolation effect that prevents friction from affecting the other parts. Nano-ceramics particles transform the friction between friction pairs into rolling friction. The engine is protected from wear by reducing friction and friction between moving components to near zero. By improving the lubrication it can reduce the coefficient of friction by more that 80% and improve the anti-wear abilities by more 350%. Only 1/1000 to 2/10000.

4. The powdered nano-aluminum nitride can be used to improve thermal conductivity. Thermal conductivity in plastics can be improved by 10-30% using the experimental product. The main applications are PVC, polyurethane and PA plastics.

Other applications: Nano aluminum is used as a dielectric material, a high temperature insulator, in structural ceramics with high temperatures and corrosion resistance, and in transparent aluminum nitride micro ceramic products.

(aka. Technology Co. Ltd., a trusted global chemical supplier and manufacturer of high-quality Nanomaterials with over 12 year’s experience in providing chemicals. Aluminum nitride is produced by our company with high purity and fine particle size. Contact us if you need to.