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Aluminum Nitride Ceramic Particles (AlN) are high-performance ceramic materials known for their exceptional thermal conductivity, electrical insulation, and mechanical strength. These particles are widely used in electronics, semiconductors, and thermal management applications due to their ability to dissipate heat efficiently. AlN ceramic particles are chemically stable, resistant to corrosion, and exhibit low thermal expansion, making them ideal for high-temperature environments.
Product Overview
Aluminum Nitride Ceramic Particles (AlN) are a high-performance ceramic material, characterized by excellent thermal conductivity, mechanical strength, and chemical stability. These gray-white particles are widely used in thermal management, electronics, electrical appliances, and high-temperature environments. AlN ceramic particles not only possess high hardness and wear resistance but also maintain stable performance in high-temperature settings, making them ideal for heat conduction and high-temperature applications.
Features
- High Hardness: AlN ceramic particles have superior hardness compared to traditional alumina (Al₂O₃), making them a highly wear-resistant ceramic material.
- Excellent Thermal Conductivity: AlN particles exhibit outstanding thermal conductivity, making them highly effective as heat dissipation materials, widely used in thermal management applications.
- Strong Chemical Stability: AlN particles have strong chemical stability, being resistant to most chemical reactions, making them suitable for use in harsh environments.
- High-Temperature Resistance: AlN ceramic particles retain their structure and performance stability at high temperatures, making them ideal for high-temperature operations.
- Good Electrical Insulation: AlN ceramic particles offer excellent electrical insulation, which is essential for use in electronic and electrical applications.
Applications
- Wear-Resistant Applications: Due to their high hardness, AlN ceramic particles are suitable for use in parts subject to severe wear, and are often used in the manufacture of wear-resistant ceramic components.
- High-Temperature Equipment: With their high-temperature resistance and molten metal erosion resistance, AlN ceramic particles are ideal for use in GaAs crystal crucibles, aluminum evaporation dishes, and corrosion-resistant parts for high-temperature turbine machines.
- Thermal Management: Thanks to their high thermal conductivity, AlN ceramic particles are widely used in electronic devices' heat dissipation systems, such as for large-scale integrated circuit substrates, high-frequency piezoelectric components, and more.
- Metal Melting: AlN particles are suitable for use in crucibles and casting molds for metal melting, including aluminum, copper, silver, and lead, due to their heat resistance and resistance to molten metal corrosion.
- Optical Applications: AlN ceramic particles possess excellent optical properties, making them ideal for manufacturing infrared windows and other optical components.
| Aluminum Nitride Ceramic Key Performance Index | |
| Property Content | Property Index |
| Density | ≥ 3.30 g/cm³ |
| Water Absorption | 0 |
| Thermal Conductivity [20℃] | ≥ 170 W/m·K |
| Linear Expansion Coefficient [RT-400℃] | 4.4 × 10⁻⁶/℃ |
| Flexural Strength | ≥ 330 MPa |
| Bulk Resistance | ≥ 10¹⁴ Ω·cm |
| Dielectric Constant [1MHz] | 9 |
| Dissipation Factor [1MHz] | 3 × 10⁻⁴ |
| Dielectric Strength | ≥ 15 KV/mm |
| Surface Roughness Ra | 0.3 ~ 0.5 µm |
| Warping | 0.03 ~ 0.05 % (length / 25.4) |
| Appearance | Dense, Fine-grained |
