Silicon Carbide (SiC) Ceramics

High Hardness and Wear Resistance: SiC ceramics have a hardness of 9.2 on the Mohs scale, making them highly resistant to abrasion and wear.

High Thermal Conductivity: SiC has excellent thermal conductivity, allowing efficient heat dissipation in high-temperature environments.

Low Thermal Expansion: SiC exhibits low thermal expansion, ensuring dimensional stability under temperature fluctuations.

High Temperature Strength: SiC ceramics maintain their strength at elevated temperatures, making them suitable for high-temperature applications.

Chemical Inertness: Resistant to chemical attack by acids, alkalis, and molten salts, SiC ceramics are ideal for corrosive environments.

Electrical Properties: Depending on the doping and manufacturing process, SiC can exhibit semiconductor properties.

Applications: Aerospace and Defense, Electronics, Mechanical Seals and Bearings, Heat Exchangers, Kiln Furniture, Chemical Processing, etc.

Silicon Carbide (SiC) Ceramics are advanced ceramic materials renowned for their exceptional mechanical, thermal, and chemical properties. These properties make SiC ceramics suitable for a wide range of demanding applications.

Specifications:

Density ρ (g/cm3) 3.02
Young’s Modulus E (GPa) 345
Thermal Cond. λ (W/m.K) 180
CTE α (ppm/K at RT) 2.4
Specific Stability Ε/ρ 114.24
Thermal Stability λ/α 75

 

Key Properties of SiC Ceramics:

  • High Hardness and Wear Resistance: SiC ceramics have a hardness of 9.2 on the Mohs scale, making them highly resistant to abrasion and wear.
  • High Thermal Conductivity: SiC has excellent thermal conductivity, allowing efficient heat dissipation in high-temperature environments.
  • Low Thermal Expansion: SiC exhibits low thermal expansion, ensuring dimensional stability under temperature fluctuations.
  • High Temperature Strength: SiC ceramics maintain their strength at elevated temperatures, making them suitable for high-temperature applications.
  • Chemical Inertness: Resistant to chemical attack by acids, alkalis, and molten salts, SiC ceramics are ideal for corrosive environments.
  • Electrical Properties: Depending on the doping and manufacturing process, SiC can exhibit semiconductor properties.

Applications of SiC Ceramics:

  • Aerospace and Defense: Used in armor plating, thermal protection systems, and high-temperature engine components due to their lightweight and high strength.
  • Electronics: SiC is used in high-power, high-frequency, and high-temperature electronic devices, including semiconductors and power electronics.
  • Mechanical Seals and Bearings: SiC ceramics are used in mechanical seals and bearings due to their excellent wear resistance and low friction.
  • Heat Exchangers: SiC’s high thermal conductivity and corrosion resistance make it ideal for heat exchanger tubes and plates.
  • Kiln Furniture: SiC ceramics are used as kiln furniture in high-temperature furnaces due to their strength and thermal shock resistance.
  • Chemical Processing: SiC is used in pumps, valves, and pipelines handling corrosive chemicals and high-temperature fluids.

SiC Products Offered by Kingwin Optics:

Kingwin Optics provides a range of high-performance SiC ceramic products tailored to meet specific industrial needs. Our offerings include:

  • SiC Ceramic Plates and Substrates: Custom shapes and sizes for various applications, including electronic substrates and thermal management components.
  • SiC Ceramic Tubes and Rods: Used in heat exchangers, mechanical seals, and structural components.
  • SiC Ceramic Bearings and Seals: High-performance bearings and seals for demanding mechanical applications.
  • SiC Ceramic Components for Semiconductor Devices: Customized SiC components for high-power and high-frequency semiconductor applications.
  • SiC Kiln Furniture: Durable and high-strength kiln furniture for high-temperature processing.

Kingwin Optics offers tailored solutions to meet your specific requirements. Our advanced manufacturing techniques ensure high precision and quality in every product. Contact us to discuss your needs and explore our range of SiC ceramic products.

For more information on SiC ceramics and to request a quote, please contact Kingwin Optics. Our team of experts is ready to assist you in finding the right SiC ceramic solution for your application.