High-performance Boron Nitride Composite Ceramics combining h-BN with ceramic matrices for superior thermal conductivity (60W/mK), thermal shock resistance, and electrical insulation in extreme environments up to 2000°C.
Product Overview
Boron Nitride Composite Ceramics are high-performance materials formed by combining boron nitride with other ceramic materials through advanced composite processing techniques. This composite combines the superior properties of boron nitride with the characteristics of other materials, offering enhanced thermal stability, electrical insulation, wear resistance, and mechanical strength. These ceramics are widely used in high-temperature, high-pressure, and corrosive environments, making them ideal for industrial applications requiring high reliability and precision.
Features
- Excellent Thermal Stability: Outstanding high-temperature resistance, making it suitable for operations in extreme heat environments.
- Superior Electrical Insulation: Provides excellent electrical insulation, ideal for use in electronic devices.
- Enhanced Mechanical Strength: Composite design enhances the mechanical strength and wear resistance of the ceramic.
- Excellent Corrosion Resistance: Performs excellently in chemically aggressive environments, ensuring durability and stability.
Applications
- High-Temperature Industries: Used as insulation and structural components in high-temperature furnaces, kilns, and other industrial equipment.
- Electronic Devices: Ideal for semiconductor, LED packaging, and other electronic devices requiring electrical insulation and thermal management in high-temperature and high-pressure conditions.
- Precision Machining: Applied in high-precision mechanical parts and wear-resistant components.
- Aerospace: Used in aerospace applications as a key material for environments subjected to high temperatures, high pressures, and mechanical stress.
Property | Unit | BNC-1 | BNC-2 | BNC-3 |
Main Components | BN + ZrO₂ + SiC | BN + ZrO₂ + SiC | BN + ZrO₂ + Si3N4 | |
Density | g/cm³ | 2.9 ± 0.05 | 2.6 ± 0.05 | 2.3 ± 0.05 |
Vickers Hardness | 100 | 90 | 80 | |
Porosity | % | <2 | <5 | <5 |
Flexural Strength | MPa | 110-150 | 90-120 | 70-90 |
Coefficient of Thermal Expansion (250°C-1900°C) | 10⁻⁶/K | 3~4 | 3~4 | 3~4 |
Thermal Conductivity at 25°C | W/m·K | 25-35 | 25-35 | 25-35 |
Max Operating Temperature (in air) | °C | 850°C | 850°C | 850°C |
Max Operating Temperature (in inert atmosphere) | °C | >1700°C | >1700°C | >1700°C |
RT Resistivity | Ω·cm | >10¹⁴ | >10¹⁴ | >10¹⁴ |