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AlN powder CAS 24304-00-5 Aluminum Nitride powder
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What is aluminum nitride?
Aluminum nitride is a covalently bonded compound, belonging to the hexagonal crystal system, wurtzite crystal structure, white or off-white. The strength of aluminum nitride is high at room temperature and slowly decreases with increasing temperature. Aluminum nitride has good thermal conductivity and small thermal expansion coefficient, which makes it a good thermal shock resistant material. It has excellent thermal shock resistance. The thermal conductivity of AlN is 2 to 3 times that of Al2O3, and its strength is higher than that of Al2O3 during hot pressing.
Aluminum nitride powders of different purities and particle sizes are available for you to choose from. You are welcome to contact us at any time.
Chemical properties of aluminum nitride
Aluminum Nitride has good corrosion resistance to aluminum and other molten metals, gallium arsenide, etc., especially to molten aluminum liquid, and also has excellent electrical insulation and dielectric properties. However, the high-temperature oxidation resistance of aluminum nitride is poor, and it is easy to absorb moisture and hydrolyze in the atmosphere, and it will quickly decompose when it contacts with moist air, water or water to generate heat and nitrogen. It decomposes at 2516°C, has high thermal hardness, and does not soften and deform even before the decomposition temperature. Aluminum nitride and water can also slowly react and hydrolyze at room temperature. React with dry oxygen above 800°C.
(1) High thermal conductivity (about 320W/m·K), close to BeO and SiC, more than 5 times that of Al2O3;
(2) the thermal expansion coefficient (4.5 x 10-6 ℃) and Si (3.5 ~ 4 x 10-6 ℃) and GaAs (6 x 10-6 ℃) matching;
(3) various electrical properties (dielectric constant, dielectric loss, bulk resistivity, dielectric strength) excellent;
(4) good mechanical properties, higher flexural strength than Al2O3 and BeO ceramics, can be sintered under atmospheric pressure;
(5) High purity;
(6) Good optical transmission characteristics;
(7) non-toxic;
(8) can be made by the flow process. It is a promising substrate and packaging material for high-power integrated circuits.
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Currently, our company has successfully developed a series of powder materials (including oxides, carbides, nitrides, single metal, etc.), high-purity targets, functional ceramics and structural devices. OEM service is available. And our innovative, high-performance materials are widely used in all aspects of daily life, including but not limited to automotive, electrical, electronics, information technology, petrochemical, oil, ceramics, paint, metallurgy, solar energy and catalysis.
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Q1: Are you a manufacturer or trading company of aluminum nitride powder? |
| Q2: Can I get a sample before placing the order? Reply: Yes, we are willing to provide you with samples of aluminum nitride powder. For some items, it's free, you just pay for shipping. Free samples will be provided when we cooperate with each other for a period of time. |
| Q3: What payment method can your company use for aluminum nitride powder? Re: There are some payment methods for you to choose. T/T(USD), Western Union, Paypal, Credit Card, Alipay or Alibaba Trade Insurance. You can choose the one you like. |
| Q4: How and when can I receive my goods after payment for aluminum nitride powder? Re: For a small amount of products, it only takes 1-2 days for air shipping. For large quantities, it will take about 1-2 weeks. |
| Q5: Do you have OEM or ODM service for aluminum nitride powder? Reply: Of course. If required, we can customize aluminum nitride powder for you. |
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Q6: How can you guarantee the goods you offer is qualified of aluminum nitride powder? |
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