Aluminum nitride (ANT) bushings are tubular ceramics with excellent thermal conductivity and electrical insulation. Compared to other ceramic materials, ANT offers superior heat dissipation, making it ideal for high-power electronic systems and semiconductor devices.
GORGEOUS CERAMICS (GGS) can customize ANT bushings for customers with stringent industrial requirements, including precise dimensional tolerances, complex geometries, and exceptional surface finishes.
Aluminum nitride ceramic sleeve performance
| Nome | AlN/nitreto de alumínio | |||
| Densidade | g/cm3 | 3.31 | ||
| Módulo de Elasticidade | GPa | 310 | ||
| Tenacidade à fratura | Mpa xm^1/2 | 3.5 | ||
| Proporção de Venenos | – | 0.25 | ||
| Resistência à compressão | MPa | 2100 | ||
| Resistência à flexão | MPa | 335 | ||
| Dureza (Vickers) | GPa | 11 | ||
| Dureza (Knoop 100 g) | Kg/mm2 | 1170 | ||
| Nome | AlN/nitreto de alumínio | |||
| Temperatura Máxima | Oxidante | 750°C | Inerte | 1300°C |
| Condutividade térmica | @ 25°C | 180W/mK | @ 300°C | 130W/mK |
| Calor específico | 760J/kg.K | |||
| Resistência ao choque térmico ΔT | 400°C | |||
| Coeficiente de expansão (10^-6/°C) | CTE 25°C ➞ 300°C | 4.6 | CTE 25°C ➞ 1000°C | 5.6 |
| Constante Dielétrica | 8,6 （1 MHz） | |||
| Tangente de Perda | 5×10^-4（1 MHz） | |||
| Resistividade volumétrica | 25°C | >10^13Ω cm | 500°C | 10^7Ω cm |
Why Choose Aluminum Nitride Sleeves?
Aluminum nitride ceramics possess superior heat dissipation properties, with a thermal conductivity approximately 10 times that of aluminum oxide. This allows for rapid heat dissipation in high-power, high-end applications while maintaining excellent electrical insulation.
Unlike conductive metal sleeves, aluminum nitride sleeves combine insulation and thermal conductivity, making them more reliable and excelling in applications involving electrical insulation.
Furthermore, aluminum nitride produces very little pollution, making it suitable for use in semiconductor devices and maintaining dimensional stability even under high temperatures and vacuum conditions.
GORGEOUS CERAMICS (GGS) possesses exceptional precision manufacturing capabilities, offering CNC machining, internal and external grinding, thin-wall sleeve machining, precision hole machining, custom flanges, and stepped structures to provide you with the best ceramic heat dissipation and insulation solutions.
Perguntas frequentes
What are the advantages of aluminum nitride bushings compared to aluminum oxide bushings?
Aluminum nitride has a thermal conductivity of 170–220 W/m·K, which is much higher than that of aluminum oxide, making it an ideal choice for heat dissipation in high-power applications.
Does aluminum nitride bushing have electrical insulation properties?
Yes, aluminum nitride ceramics not only have high thermal conductivity but also excellent electrical insulation properties.
Can aluminum nitride sleeves be custom-made?
Yes. GORGEOUS CERAMICS (GGS) can manufacture sleeves with various custom inner diameters, outer diameters, lengths, flanges, grooves, and complex geometries according to your drawings.
What industries commonly use aluminum nitride sleeves?
Common applications of aluminum nitride sleeves include semiconductor manufacturing, laser technology, power electronics, telecommunications, electric vehicles, and high-power electronic packaging.
