Product Properties
Silicon Carbide (SiC) nanopowder/nanoparticles (nm & um)
Size | Type | Particle size（nm） | Purity（%） | Specific surface area（m2/g） | Bulk density（g/cm3） | Polymorphs | Color |
nm | JB-SiC-001 | 30 | >99.9 | 39.9 | 0.11 | cube | grayish green |
sub um | JB-SiC-002 | 600-800 | >99.9 | 3.5 | 1.52 | cube | greyish white |
Custom | Acccording to customers requirment. (30-800nm etc) | ||||||
Silicon Carbide (SiC) Nanopowder Features
High Hardness: SiC is one of the hardest materials available, second only to diamonds. This extreme hardness makes it ideal for use in abrasive and cutting applications.Good Mechanical Strength: It maintains high strength at elevated temperatures, surpassing most metals and ceramics, which is crucial for high-stress applications.SiC nanopowder exhibits high thermal conductivity, making it excellent for applications requiring efficient heat dissipation, such as in electronic devices and heat exchangers.High-Temperature Resistance: It retains its strength and stability at temperatures up to approximately 1,600°C (2,912°F), making it suitable for high-temperature applications.Low Thermal Expansion: Silicon carbide has a low thermal expansion coefficient, providing stability and resistance to thermal shock.SiC is resistant to corrosion and does not react with acids, alkalis, and molten metals, making it ideal for chemical processing environments.
Silicon Carbide (SiC) Nanopowder Applications
- Abrasives: The extreme hardness of SiC makes it ideal for abrasive powders, pastes, and coatings used in applications requiring high precision and efficiency in polishing, grinding, and cutting.
- Cutting Tools: Used in composite materials for cutting tool inserts and in coatings to extend the life of tools due to its high hardness and thermal stability.
- Power Electronic Devices: SiC’s wide bandgap properties are exploited in high-power, high-frequency semiconductor devices such as diodes, transistors, and thyristors. These devices can operate at higher temperatures, voltages, and efficiencies compared to silicon-based components, making them suitable for power converters and inverters in renewable energy systems, electric vehicles, and power supplies.
- LEDs: Used in the production of certain types of light-emitting diodes (LEDs), particularly those emitting in the ultraviolet range.
- Structural Ceramics and Composites: SiC nanopowder is added to ceramics and metal matrix composites to improve their mechanical properties, such as strength, stiffness, and thermal shock resistance. This is beneficial for aerospace, automotive, and industrial applications that require materials capable of withstanding extreme conditions.
- Protective Coatings: Applied as a coating to enhance the wear, corrosion, and thermal shock resistance of various substrates, including metals and ceramics, extending their service life in harsh environments.