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High Hardness SiC Plate SIC Silicon Carbide Wear Resistant Refractory Sheet
Overview of Silicon Carbide Plate
Silicon Carbide Plate (SCP), usually refers to plates made from the material Silicon Carbide (SiC). Silicon Carbide is a composite material that combines the properties of silicon and carbon and has a wide range of excellent properties for a wide range of industrial applications.
Features of Silicon Carbide Plate
Silicon Carbide Plate usually refers to a plate made of silicon carbide (SiC) material. Silicon carbide is a composite material that combines the characteristics of silicon and carbon, has many kinds of excellent properties, and is widely used in industry. The following are some of the main features of silicon carbon plate:
High hardness: Silicon carbide has a very high hardness, second only to diamond, which makes silicon carbon plates extremely wear-resistant and suitable for various environments with severe wear.
High-temperature stability: Silicon carbon plate can maintain its physical and chemical properties unchanged at very high temperatures, and the maximum operating temperature can reach more than 1600°C, so it is widely used in high-temperature industries such as metallurgy and ceramic sintering.
Low thermal expansion coefficient: Compared with metal materials, silicon carbon plates have a lower thermal expansion coefficient, which means that they change less in size when the temperature changes, reducing the risk of thermal stress and deformation.
Good thermal conductivity: Silicon carbon plate has a high thermal conductivity and can faster conduct heat, which is ok for application scenarios that require efficient heat dissipation.
Corrosion resistance: Silicon carbide has good resistance to most acids, alkalis and salts and is not easily corroded, which makes silicon carbon plates also have important applications in the chemical industry.
Electrical insulation: Although some types of silicon carbide can be semiconductors, ordinary silicon carbon plates are generally good electrical insulators and are suitable for use as insulating components in electrical equipment.
Lightweight: Compared with traditional metal materials, silicon carbon plates have a lower density, which helps to reduce the weight of the structure, which is particularly important for fields such as aerospace.
Thermal shock resistance: Silicon carbon plates can withstand large temperature changes in a short period without cracking or damage, which is very important in applications with rapid heating and cooling.
Self-lubrication: Some silicon carbide products have a smooth surface and have a certain self-lubricating effect. They can work under oil-free lubrication conditions and reduce maintenance costs.
Specifications of Silicon Carbide Plate
| Parameter | Typical Value | Unit |
| Physical Dimensions | ||
| – Thickness | 0.5 mm to 50 mm | mm |
| – Width/Length | Customizable, standard sizes like 300×300, 400×400, 600×600 | mm x mm |
| – Shape | Rectangular, square, circular, custom | |
| Density | 2.95 to 3.20 | g/cm³ |
| Hardness | ||
| – Rockwell A (HRA) | 85 to 93 | |
| – Vickers (HV) | 2500 to 3500 | kg/mm² |
| Thermal Conductivity | 120 to 270 | W/m·K |
| Coefficient of Thermal Expansion | 4.0 to 4.5 × 10^-6 /°C (20-1000°C) | /°C |
| Bending Strength | 300 to 700 | MPa |
| Chemical Resistance | Excellent resistance to most acids, bases, and salts | |
| Electrical Resistivity | > 10^12 | Ω·cm |
| Thermal Shock Resistance | Can withstand rapid temperature changes up to 1000°C | |
| Operating Temperature | Up to 1600°C | °C |
| Surface Finish | Rough, polished, or other treatments | |
| Porosity | Very low, typically less than 1% | % |
| Crystal Structure | α-SiC (hexagonal), β-SiC (cubic) | |
| Impurity Content | Depends on application; high-purity grades available | |
| Dimensional Tolerance | ±0.05 mm or tighter, depending on precision requirements | mm |
Notes:
Customization: Many of these parameters can be customized based on specific application requirements.
High-Purity Grades: For applications in semiconductors and optoelectronics, higher purity grades with lower impurity content are available.
Special Applications: For specialized industrial uses, additional factors such as long-term stability and environmental resistance may need to be considered.
