new material
Silicon nitride ceramic particles (Si₃N₄) are advanced engineered materials designed for applications requiring exceptional thermal stability, high mechanical strength, and superior wear resistance. Produced through precision synthesis and controlled sintering, these ceramic particles exhibit excellent chemical inertness, low thermal expansion, and reliable compatibility with high-performance composite formulations. They are widely used in ceramic coatings, industrial wear-resistant materials, semiconductor processing, aerospace engineering, and precision machining applications, ensuring long-term efficiency in demanding environments.
Product Overview:
Silicon Nitride Ceramic Particles (Si₃N₄) are an excellent inorganic ceramic material known for their exceptionally high strength and outstanding high-temperature performance. The material maintains its strength at temperatures up to 1200°C and does not melt until it reaches 1900°C, making it highly stable in extreme environments. These particles also demonstrate exceptional chemical corrosion resistance, capable of withstanding most inorganic acids, alkali solutions up to 30%, and various organic acids. Furthermore, silicon nitride ceramic particles offer superior electrical insulation properties.
Product Features:
- High Strength and High-Temperature Resistance:These particles retain their strength in high-temperature environments, able to withstand temperatures up to 1200°C, and only begin to decompose at 1900°C.
- Chemical Corrosion Resistance:Exceptional resistance to a wide range of inorganic acids, alkali solutions, and organic acids, ensuring long-term stability in harsh chemical environments.
- Electrical Insulation:As a high-performance electrical insulator, these particles are ideal for use in electrical and electronic applications.
- Good Sintering Performance:Silicon nitride ceramics have high strength and do not shrink during sintering, making them suitable for a wide range of high-precision applications.
Applications:
Silicon Nitride Ceramic Particles are widely used in the following fields:
- High-Temperature Engineering Materials:Used in high-temperature industrial equipment, automotive engines, and other applications requiring exceptional heat resistance.
- Chemical and Petrochemical Industries:Applied in equipment that must endure high temperatures and chemical corrosion, such as reactors, pipelines, and furnace linings.
- Electronics and Electrical Equipment:Used as electrical insulating materials in high-voltage electrical devices and electronic components.
- Composite Materials:Can be combined with other materials, such as SiC, to create high-performance composite materials, expanding the range of potential applications.
- Aerospace and Military:Due to their excellent high-temperature and mechanical properties, they are widely used in advanced aerospace and military applications.
| 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 | |
