new material
Silicon nitride ceramics provide exceptional thermal shock resistance, optimized mechanical strength, and superior wear durability. Designed for high-performance applications, they ensure reliable structural integrity, extended lifespan, and efficient operation in extreme environments.
Product Overview
Silicon Nitride Ceramics are materials with excellent mechanical properties and high-temperature resistance, commonly used in high-end wave-transmitting ceramic applications. Using advanced processing technologies, this material is widely employed in critical equipment such as antenna radomes and antenna windows. Our silicon nitride ceramic products provide reliable electromagnetic wave transmission performance and are suitable for use in various harsh environments. We also offer coating, assembly, and other integrated services to meet customer needs across different sectors.
Features
- High Strength and Wear Resistance: Silicon nitride ceramics exhibit excellent compressive, bending, and wear resistance properties.
- Superior High-Temperature Performance: With exceptional thermal stability, it can function reliably in high-temperature environments over extended periods.
- Outstanding Wave Transmission: Ideal for electromagnetic wave transmission and high-frequency signal conduction.
- Corrosion Resistance: Silicon nitride ceramics possess strong corrosion resistance, making them suitable for demanding environmental conditions.
- Customization: We provide custom shapes, specifications, and coatings based on the specific requirements of the customer's application.
Applications
- Military and Aerospace: Primarily used in critical components such as antenna radomes and antenna windows in high-end equipment, extensively applied in radar, satellite communications, and other high-tech sectors.
- Electronics and Communications: Suitable for electronic devices that require high electromagnetic wave transmission, such as radar systems and satellite communication equipment.
- High-Temperature Environments: Suitable for use in devices and systems that operate in high-temperature, high-pressure, and corrosive environments.
- Scientific Research and Technological Development: Widely used in various technology research and advanced material applications, particularly in military research projects.
| Property | Unit | SNO1 | SNO1A | SNO2 | SN03 |
| Dielectric Constant | / | 3.2±0.1 | 2.35±0.1 | 3.8±0.1 | 7.1±0.1~8.0±0.1 |
| Loss Tangent | / | <0.005 | ≤0.005 | <0.005 | <0.005 |
| Volume Density | MPa | 1.65±0.05 | 1.25±0.08 | 1.9±0.1 | ≥3.2 |
| Flexural Strength | MPa | ≥150 | 60~80 | ≥80 | ≥600 |
| Elastic Modulus | GPa | 40~60 | 20~30 | 45~60 | ≥250 |
| Thermal Expansion Coefficient (RT~800°C) | ×10⁻6/°C | ≤5.0 | ≤4.5 | ≤3.3 | ≤3.5 |
| Thermal Conductivity | W/(m·K) | 12~15 (reference) | 9.236 (reference) | 10 (reference) | 15 (reference) |
| Thermal Conductivity (RT~1200°C) | W/(m·K) | 5 (reference) | 4 (reference) | 8.5 (reference) | |
| Specific Heat Capacity (RT~1200°C) | J/kg-1·K-1 | 1009 (reference) | 1009 (reference) | 1005 (reference) | 1233 (reference) |
