Silicon Nitride Powder Description
Silicon Nitride Powder (CAS: 12033-89-5) is a distinctive black-gray powder renowned for its significance as a crucial structural ceramic material. This powder exhibits remarkable properties, including high hardness, inherent lubricity, and exceptional wear resistance.
Silicon Nitride Powder Characteristics
Silicon Nitride is a crystalline material celebrated for its outstanding resistance to oxidation at high temperatures. It withstands both severe cold and intense heat, maintaining its structural integrity even when exposed to temperatures above 1000 °C and enduring rapid temperature fluctuations. The exceptional qualities of silicon nitride ceramics, including their strength and precision, make them a favored choice for manufacturing mechanical components such as bearings, turbine blades, mechanical seal rings, permanent molds, and more.
Silicon Nitride Powder Specification
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Compound Formula
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N4Si3
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Molecular Weight
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140.28
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Appearance
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Grayish-white powder
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Melting Point
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1900 °C, 2173 K, 3452 °F
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Density
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3.44 g/mL at 25 °C (lit.)
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Electrical Resistivity
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11 to 12 10x Ω-m
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Poisson's Ratio
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0.24 to 0.27
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Specific Heat
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720 to 800 J/kg-K
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Silicon Nitride Powder Applications
Silicon Nitride Powder is a highly adaptable material utilized across a multitude of industries. Its primary applications encompass:
- Manufacturing of Mechanical Components: It is employed in creating various mechanical parts such as bearings, turbine blades, mechanical seal rings, and permanent molds.
- Industrial Structural Devices: Crucial for producing structural components in sectors like metallurgy, chemicals, machinery, aviation, aerospace, and energy. This includes the fabrication of ball and roller bearings, sliding bearings, sleeves, valves, and other parts that demand resistance to wear, high temperatures, and corrosion.
- Metal and Material Surface Treatments: Used for surface enhancement processes on molds, cutting tools, turbine blades, turbine rotors, and as coatings for cylinder walls to improve durability and performance.
- Composite Materials Production: Plays an essential role in developing composite materials, including metal-ceramic-graphite composites, as well as rubber, plastics, coatings, adhesives, and various polymer-based composites.
- Colorless, Transparent Self-Lubricating Films: Utilized in advanced surface protection technologies to create clear, self-lubricating, wear-resistant nanoparticle films for devices such as mobile phones and automobiles.
- Ball Bearings Manufacturing: Contributes to the production of ball bearings, enhancing their longevity and efficiency.
- Ball Valves and Components: Used in the manufacture of ball valves and associated parts, ensuring they are corrosion-resistant and reliable.
- Corrosion-Resistant Turbines: Integral in producing turbines that withstand corrosive environments, thereby increasing their lifespan and performance in demanding settings.
- Cutting Tools and Grinding Wheels: Essential for manufacturing cutting tools and grinding wheels, improving their hardness and resistance to wear.
- Insulating Components: Applied in the production of insulating parts, providing electrical insulation for various applications.
- Spray Nozzles for Aerospace: Vital in the aerospace sector for manufacturing spray nozzles, especially those used in rocket technology.
Silicon Nitride Powder Safety Information
| Storage Class Code |
13 - Non Combustible Solids |
| WGK (Water Hazard Classification) |
nwg |
| Flash Point (F) |
Not applicable |
| Flash Point (C) |
Not applicable |
| Personal Protective Equipment |
|
| - Dust Mask |
Type N95 (US) |
| - Eyeshields |
Yes |
| - Gloves |
Yes |
Silicon Nitride Powder Packaging
We exercise utmost care in the storage and transportation of our Silicon Nitride Powder to safeguard its inherent quality, ensuring that the product maintains its original condition throughout the entire process.
