Silicon Nitride Powder / Si3N4 Powder (Si3N4, 99.6%, 800nm, Beta)
This item is chiefly utilized for: 1) fabricating structure gadget, for example, metallurgy, substance industry, apparatus, flight, aviation and vitality ventures to utilize the ball and roller bearing, sliding bearing, sleeve, valve, and a wear-safe, high temperature, consumption safe basic parts required. 2) Surface treatment of metal and different materials, for example, molds, cutting instruments, turbine edges, turbine rotor and the chamber divider coatings…..
Silicon Nitride Powder | |
Product No | NRE-5198 |
CAS No. | 12033-89-5 |
Formula | Si3N4 |
APS | <800nm (Can be Customized) |
Purity | 99.9% |
Color | Grey |
Molecular Weight | 140.28 g/mol |
Density | 3.17g/cm3 |
Melting Point | 1900 °C |
Boiling Point | NA |
Silicon Nitride Powder (Si3N4)
Applications:
Structural Ceramics
Silicon nitride is widely used in the manufacturing of high-performance ceramic components due to its excellent strength, wear resistance, and high-temperature stability.
Engine Components: Si₃N₄ powder is used in the production of various automotive and aerospace components, including turbine blades, valves, pistons, and engine parts. The material’s ability to withstand high temperatures and mechanical stress makes it ideal for parts exposed to extreme conditions in engines and turbines.
Bearings and Bushings: Silicon nitride powder is used to create ceramic bearings and bushings, which are employed in applications that require low friction and wear resistance. These bearings are used in high-speed machinery, such as motors, compressors, and pumps, due to their durability and resistance to corrosion.
High-Temperature Applications
Si₃N₄’s high thermal stability and resistance to thermal shock make it an excellent material for use in high-temperature applications.
Turbine Blades and Rotors: Silicon nitride powder is often used in the production of turbine blades and rotors for jet engines, gas turbines, and other high-performance aerospace applications. These components are subjected to extreme temperatures, and Si₃N₄’s ability to maintain mechanical strength at high temperatures makes it ideal for such uses.
Heat Shields: Si₃N₄-based ceramics are employed in heat shield applications, particularly in space exploration, where they are used to protect spacecraft and reentry vehicles from the intense heat generated during atmospheric reentry.
Thermal Barrier Coatings: Silicon nitride powder is used in thermal barrier coatings for applications such as gas turbines. These coatings help protect underlying metal components from heat damage, improving their longevity and performance.
Electronics and Semiconductor Industry
Silicon nitride powder is also used in the electronics industry due to its excellent electrical insulating properties, high mechanical strength, and resistance to high temperatures.
Semiconductor Devices: Si₃N₄ powder is used to create insulating layers in semiconductor devices, such as capacitors, transistors, and integrated circuits. Its ability to provide electrical insulation at high temperatures makes it an essential material in microelectronics.
Dielectric Materials: Silicon nitride powder is used in the production of dielectric materials for capacitors and other high-frequency electronic components. Its high dielectric constant and insulating properties make it a preferred material for dielectric applications.
Passivation Layers: In the semiconductor industry, Si₃N₄ is commonly used as a passivation layer to protect sensitive electronic components from environmental contaminants, moisture, and oxidation.