Silicon nitride ceramic tubes (Si₃N₄) are high-performance structural components designed for applications requiring extreme thermal resistance, superior mechanical strength, and excellent chemical stability. Manufactured through advanced sintering and precision machining techniques, these tubes exhibit exceptional wear resistance, oxidation resistance, and minimal thermal expansion. They are widely used in high-temperature industrial processes, aerospace systems, semiconductor manufacturing, and precision engineering applications, ensuring long-term efficiency under demanding conditions.
Product Overview:
Silicon Nitride Ceramic Tubes (Si₃N₄) are known for their exceptional high-temperature resistance, capable of withstanding temperatures up to 1200°C without melting, and will only decompose at 1900°C. These tubes also exhibit outstanding chemical corrosion resistance, able to withstand almost all inorganic acids, alkali solutions up to 30%, and various organic acids. Silicon nitride ceramic tubes are excellent electrical insulators and are suitable for a variety of high-temperature and high-strength applications.
Product Features:
- High-Temperature Resistance:The tubes maintain their strength up to 1200°C, with no melting, and only begin to decompose at temperatures above 1900°C.
- Chemical Corrosion Resistance:Resistant to various inorganic acids, alkali solutions, and organic acids, making them ideal for harsh chemical environments.
- Electrical Insulation:Excellent electrical insulating properties, suitable for use in electrical and electronic applications.
- High Strength and Wear Resistance:Offers high strength and excellent wear resistance, making it ideal for use in harsh working conditions.
- Forming Methods:Manufactured using dry pressing and hot pressing to ensure product quality and precision.
Applications:
Silicon Nitride Ceramic Tubes are widely used in the following fields:
- Electronics and Electrical Equipment:Used as high-temperature and corrosion-resistant components in electronic devices and electrical equipment.
- Mechanical Equipment:Applied in high-temperature, wear-resistant, and corrosion-resistant mechanical parts.
- Energy and Chemical Industries:Suitable for use in high-temperature reactors, transmission pipelines, and other equipment requiring high-temperature and corrosion resistance.
- High-Performance Materials:Utilized in high-precision instruments, aerospace applications, and other advanced fields where high temperature, strength, and electrical insulation properties are required.
Silicon Nitride Ceramic Data Sheet | ||
Performance | Unit | Typical Value |
Density | g/cm³ | 3.26 |
Relative Density | % | >99.5 |
Elastic Modulus | GPa | 300~320 |
Compression Strength Ratio | % | 40~50 |
Hardness | GPa | 16~20 |
Fracture Toughness | MPa·m¹/² | 6.0~9.0 |
Bending Strength | MPa | 600~1000 |
Poisson's Ratio | 0.25 | |
Linear Expansion Coefficient | 10⁻⁶·K⁻¹ | 3.1~3.3 |
Webuller Modulus | 12~15 | |
Thermal Conductivity | W·(m·K)⁻¹ | 15~20 |
Specific Resistance | 10¹⁸ | |
Corrosion Resistance | Excellent | |
Size Stability | Excellent | |
Magnetic | None |