About Silicon Carbide
Silicon carbide (SiC) is a semiconductor compound composed of silicon (Si) and carbon (C), belonging to the wide band gap (WBG) material family. Its physical binding force is very strong, giving the semiconductor high mechanical, chemical and thermal stability. The wide gap and high thermal stability allow SiC devices to be used at junction temperatures higher than silicon, even exceeding 200°C. The main advantage of silicon carbide in power applications is its low drift zone resistance, which is a key factor in high voltage power devices.
Silicon carbide abrasive sand is an important abrasive material with special chemical composition and structural characteristics. Silicon carbide abrasive sand is composed of silicon carbide particles, the surface of the particles is polygonal or circular, and has extremely high hardness and wear resistance. It is widely used in metal processing, ceramic manufacturing, glass processing and other fields, and has become an important grinding tool.
Silicon carbide abrasive sand has many unique characteristics, the first is its extremely high hardness. Due to the special structure of silicon carbide particles, its hardness is close to diamond, which can maintain good stability under high-speed friction and high pressure, so it can effectively prevent the wear and crushing of particles during the grinding process.
Secondly, silicon carbide abrasive sand has good high temperature resistance. Because silicon carbide itself has excellent high temperature resistance, so silicon carbide grinding sand in the high temperature environment can still maintain stability and grinding effect, not easy to scar and deformation, suitable for high temperature material grinding processing.
In addition, silicon carbide abrasive sand also has a low coefficient of thermal expansion and excellent chemical stability. This means that in the grinding process, silicon carbide grinding sand can maintain its shape and size stability, not easy to be affected by the external environment. At the same time, silicon carbide grinding sand has good resistance to acids, alkali and other chemicals, and can effectively extend the service life of grinding tools.
The combination of silicon and carbon gives this material outstanding mechanical, chemical and thermal properties, including:
High thermal conductivity
Low thermal expansion and excellent thermal shock resistance
Low power and switching loss
High energy efficiency,
High operating frequency and temperature (operating temperature up to 200°C node)
Small chip size (same breakdown voltage)
Intrinsic diode (MOSFET)
Excellent thermal management for reduced cooling requirements
Long life
