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What is aluminum nitride?
This atomic crystal is a diamond-like Nitride, hexagonal crystal structure, wurtzite crystal structure, nontoxic, white, or off-white. Aluminum nitride has a high thermal shock value.
The miniaturization and advancement of electronic products has led to electronic circuits and systems that are capable of high integration density and high functionality. Electronic parts have increasingly stringent requirements for their carrier substrate. The breakthrough in high thermal conductivity has been achieved through high integration and miniaturization. It is becoming increasingly difficult for traditional alumina ceramic sub-substrates to meet the requirements of the development. Aluminum nitride, which has excellent chemical and physical properties, has slowly become the most popular choice in packaging materials.
Attenuation material for microwaves made of aluminum nitride
Microwave attenuation research and applications have slowly moved from military to civilian use. It works by converting microwave energy into heat through the physical mechanism called polarization. The material also exchanges heat energy to the environment, which is being used more frequently in high-power microwave vacuum devices.
AlN has low dielectric losses. AlN is suitable for use as a microwave-attenuating material because it contains metals or ceramics with high electrical and thermal conductivity. These are used to prepare Al N-based microwave reducing ceramics. The conductive additives used in this research are carbon nanotubes, TiB2, and TiC. Metals such as Mo and W are also included.
Aluminum nitride, heat-resistant material
Aluminum nitride does not wet with aluminum, calcium and other metals. This makes it ideal for use as a crucible or protective tube, casting mould, mold, or casting mold. Aluminum nitride ceramics may be used in the protection tube for immersion thermocouple. Because it doesn’t adhere to molten iron, it can be used continuously in the molten swimming pool at 8001000 for more than 3000hrs without rusting. destroy. Because aluminum nitride materials can withstand molten salt gallium senide and other substances, the crucible is now replaced by glass to synthesize gallium-arsenide semiconductors. This allows for complete elimination of silicon pollution and high-purity Gallium arsenide.
Aluminum nitride clays have a high strength at room temperatures and are resistant to temperature changes. They have low thermal expansion coefficients and high thermal conductivity. It is both a heat-resistant material as well as a heat exchange material. It can be used to heat exchangers in gas turbines. Materials that are heat resistant and heat exchange.
AlN ceramic materials are versatile and have many potential markets. They can be used in electronic, electric power, locomotives and aviation.
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