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Silicon Nitride Powder / Si3N4 Powder (Si3N4, 99.6%, 800nm, Beta)

Silicon Nitride Powder

Silicon Nitride Powder
Product No NRE-11219
CAS No. 12033-89-5
Formula Si3N4
Molecular Weight 140.28g/mol
APS <40 um (can be customized)
Purity 99.6%
Density 3.17 g/mL
Color Grey
Melting Point 1900 °C
Boiling Point NA

Silicon Nitride Powder (Si3N4) Applications:

Silicon nitride (Si3N4) is a high-performance technical ceramic material that possesses a unique combination of physical properties, making it suitable for various industrial applications. Silicon nitride powder is the raw material used to manufacture various components and products. Some of its key applications include:

  1. Ceramic Bearings: Silicon nitride bearings are used in various applications where high speeds and high temperatures are expected. They offer superior wear resistance, low friction, and high mechanical strength, making them suitable for use in industries such as automotive, aerospace, and general manufacturing.
  2. Cutting Tools: Silicon nitride-based cutting tools are popular due to their high thermal stability, excellent wear resistance, and good fracture toughness. They are used in metal cutting and machining applications, providing longer tool life and improved cutting performance.
  3. Turbine Components: Silicon nitride is used in gas turbine engines for manufacturing components like turbine blades, turbochargers, and other high-temperature engine parts. Its ability to withstand high temperatures and corrosive environments makes it an ideal material for these applications.
  4. Heat Exchangers: Silicon nitride is employed in the production of heat exchangers for its excellent thermal shock resistance and high thermal conductivity. These heat exchangers are utilized in various industrial processes, including chemical processing, power generation, and electronics manufacturing.
  5. Molten Metal Handling: Silicon nitride is used in the production of crucibles and other components for handling molten metal. Its high thermal shock resistance and excellent corrosion resistance make it an ideal material for use in the foundry industry and other metal processing applications.
  6. Biomedical Applications: Silicon nitride is also finding applications in the biomedical field, such as in orthopedic implants and dental applications. Its biocompatibility, wear resistance, and low density make it an attractive material for use in various medical devices.
  7. Electronics and Semiconductors: Silicon nitride is used as an insulating material in the production of electronic components and semiconductors. Its high dielectric strength and thermal stability make it suitable for applications such as integrated circuit packaging, passivation layers, and substrates for electronic devices.
  8. Advanced Ceramics: Silicon nitride is used in the production of advanced ceramic components, including crucibles, nozzles, and other specialized components used in various industrial processes. Its exceptional mechanical properties and thermal stability make it an essential material in the field of advanced ceramics.