Silicon Nitride Ceramics is an advanced material composed of silicon nitride (SI3N4) with excellent properties. It has a thermal expansion coefficient of 3.2-3.5 X 10-6/K, a dielectric constant of 9.2-9.6, a thermal conductivity of 25-35 W/m.K, and a black color. This material is widely used in a variety of applications, such as the production of mechanical components, bearings, sealing rings, valves, and pump parts. It also has excellent high temperature and corrosion resistance, and is therefore suitable for use in high temperature or corrosive environments. SI3N4 ceramic ball is a special form of silicon nitride ceramics, and is popular due to its unique characteristics, such as its strength, wear resistance, and low friction coefficient, which make it suitable for various applications.
Properties | Values |
---|---|
Dielectric Constant | 9.2-9.6 |
Density | 3.2-3.3 G/cm3 |
Compressive Strength | 1000-1500 MPa |
Thermal Expansion Coefficient | 3.2-3.5 X 10-6/K |
Breakdown Voltage | 20-25 KV/mm |
Tensile Strength | 400-600 MPa |
Hardness | HV10≥1400 |
Poisson's Ratio | 0.25-0.3 |
Thermal Conductivity | 25-35 W/m.K |
Flexural Strength | 400-600 MPa |
Silicon Nitride Ceramics, also known as SI3N4 ceramic balls, are widely used in many industries due to their strong attributes and features. The Place of Origin is China, with a Dielectric Strength of 18-20 KV/mm, Young's Modulus of 300-400 GPa, Insulation Resistance of 1012-1014 Ω.cm, Dielectric Constant of 9.2-9.6, and a Flexural Strength of 400-600 MPa.
Silicon Nitride Ceramics are commonly used in areas such as automotive, aerospace, medical, and electrical industries. Some applications include precision grinding, high-speed machining, high temperature heat shielding, and wear and corrosion resistance. In the automotive industry, they are often used for engine components, transmission components, and turbocharger components. In the aerospace industry, they are used for landing gear, turbine blades, and engine parts. In the medical industry, they are used for orthopedic implants and dental implants. In the electrical industry, they are used for high-performance circuit boards, sensors, and semiconductors.
Silicon Nitride Ceramics are increasingly becoming the material of choice for many engineering and industrial applications. Their combination of high strength, toughness, and thermal shock resistance makes them ideal for use in extreme conditions. They are also lightweight and easy to machine, making them a cost-effective solution for a wide range of applications.
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