Technical Specifications:
- Material: Silicon Carbide (SiC)
- Purity: 98% or higher
- Particle Size: 250-355 μm (microns)
- Shape: Typically irregular or angular, depending on the manufacturing process
- Density: Approximately 3.21 g/cm³
- Melting Point: Approximately 2,700°C (4,892°F)
- Boiling Point: Sublimes at approximately 3,200°C (5,792°F)
Chemical Composition:
- Silicon (Si): ~70%
- Carbon (C): ~30%
Applications:
1. Abrasive Materials:
- The 250-355 μm SiC powder is primarily used for heavy-duty abrasive applications like coarse grinding, cutting, and surface preparation. This large particle size is optimal for aggressive material removal on tough substrates such as metals, ceramics, stones, and composites.
- It is commonly used in industries requiring extensive grinding, such as metalworking, construction, and automotive industries, where fast material removal and rough finishing are necessary.
2. Refractory Materials:
- Silicon Carbide’s excellent thermal stability and oxidation resistance make it a key material for refractory applications. The 250-355 μm size is typically used in the manufacturing of furnace linings, kilns, heat shields, and nozzles.
- It is ideal for high-temperature environments in metal casting, glass manufacturing, and other industries where components are exposed to extreme thermal conditions.
3. Ceramic Materials:
- SiC powder (250-355 μm) is commonly used in ceramic matrix composites (CMCs), improving the strength, toughness, and wear resistance of the ceramics. This makes it an essential material for aerospace components, automotive brake systems, and industrial cutting tools.
- It enhances the fracture toughness and durability of ceramic materials used in high-performance applications.
4. Thermal Management:
- SiC is a valuable material for thermal management applications. The 250-355 μm micron powder is used in heat sinks, thermal interface materials, and radiators, helping in efficient heat dissipation from high-power devices such as LEDs, power semiconductors, and electronic components.
- Its high thermal conductivity and low thermal expansion coefficient make it ideal for use in electronics, where temperature control is crucial for optimal performance.
5. Power Electronics:
- SiC’s wide bandgap and high breakdown voltage make it indispensable in power electronics. While the 250-355 μm powder is not typically used in the core semiconductor device, it plays a role in substrate preparation and thermal management.
- SiC devices are used in applications such as electric vehicles (EVs), solar inverters, motor drives, and industrial power systems, where high voltage, frequency, and temperature tolerance are necessary for high-efficiency performance.
6. Wear-Resistant Coatings:
- The 250-355 μm powder is ideal for thermal spraying, plasma spraying, and PVD/CVD processes to create wear-resistant coatings on cutting tools, machinery parts, and engine components. These coatings improve the durability and service life of parts exposed to abrasion, friction, and erosion.
- Common applications include the mining, automotive, heavy machinery, and oil and gas industries where high durability is required under extreme working conditions.
7. Catalyst Supports:
- Due to its high surface area, thermal stability, and resistance to corrosion, SiC is used in catalytic reactors, fuel cells, and catalytic converters as a support material for chemical reactions such as hydrogenation, methanation, and oxidation.
- The 250-355 μm powder size is suitable for structural support in fixed-bed reactors or other processes that demand long-term durability.
8. Nuclear Applications:
- Silicon Carbide’s radiation resistance and thermal stability make it an ideal material for use in nuclear reactors. The 250-355 μm powder is used in fuel cladding, control rods, and reactor shielding.
- It is particularly useful in high-temperature gas-cooled reactors and other nuclear systems requiring reliable performance under extreme radiation and thermal stress conditions.
9. Supercapacitors and Energy Storage:
- SiC is employed in electrodes for supercapacitors and high-power energy storage devices. The larger particle size contributes to the overall stability and performance of energy storage systems, such as those used in electric vehicles (EVs), renewable energy storage, and backup power systems.
- The use of SiC improves the energy density, power density, and cycle life of storage devices.
10. Research and Development:
- SiC micron powder is also used in research and development in areas like materials science, energy systems, advanced ceramics, and nanotechnology.
- Researchers rely on SiC to develop high-performance materials for various sectors, including aerospace, automotive, electronics, and energy technologies.
Summary:
Silicon Carbide Micron Powder (250-355 μm, 98+% purity) is a high-performance material known for its extreme hardness, thermal stability, and wear resistance. Its large particle size makes it ideal for coarse grinding, abrasive blasting, wear-resistant coatings, and refractory materials. Additionally, it plays a crucial role in thermal management, power electronics, nuclear applications, energy storage, and catalysis. SiC’s robust properties make it indispensable in industries that require durability and efficiency in extreme conditions, from aerospace to renewable energy applications.
