Sintered Silicon Nitride Ceramics Wear Resistant Si3N4 Ceramics Polished
Thermal Shock Resistance Sintering Si3N4 Silicon Nitride Ceramic Tube
Silicon Nitride Ceramic Parts:
Silicon Nitride is an extremely hard and corrosion-resistant ceramic material that is 60% lighter than steel. This material, Sintered Silicon nitride (Si₃N₄), is designed to offer a combination of excellent properties, including thermal and impact resistance, electrical insulation, and wear resistance. Silicon Nitride offers a wide degree of design flexibility, making it an excellent alternative to stainless steel, superalloys, tungsten carbides, and first-generation ceramics such as Al₂0₃ and ZrO₂. These performance benefits make Silicon Nitride an adaptable solution for applications in power generation, commercial vehicles, Electric Vehicles (EV), aerospace, chemical processing, oil & gas, and general industry.
Si3N4 Ceramic Parts are a man made compound synthesized through several different chemical reaction methods. they are pressed and sintered by well developed methods to produce a ceramic with a unique set of outstanding properties. The material is dark gray to black in color and can be polished to a very smooth reflective surface, giving parts with a striking appearance.
Silicon Nitride Material Sheet
| Properties | Units | Silicone Nitride | |
| Mechanical | Density | gm/cc | 3.2 |
| Porosity | % | 0 | |
| Flexural Strength | Mpa | 830 | |
| Compressive Strength | Mpa | 2500 | |
| Elastic Modulus | Gpa | 310 | |
| Poisson's Ratio | / | 0.27 | |
| Hardness | kg/mm2 | 1580 | |
| Fracture Toughness KIC | Mpa *m 1/2 | 6.1 | |
| Thermal | Heat Conductivity | W/ m*k | 30 |
| Coefficient of Thermal Expansion | 10⁻⁶/K | 3.3 | |
| Specific Heat | j/kg*K | / | |
| Thermal Shock Resistance | °C | / | |
| Max UseTemperature | °C | 1400 | |
| Electrical | Dielectric Strength | ac-kv/mm | / |
| Dielectric Constant | / | 8 | |
| Loss Tangent | / | / | |
| Volume Resistivity | ohm•cm | >1014 | |
Features:
■ High Hardness
Silicon nitride exhibits extremely high hardness, making it suitable for fields such as wear-resistant and cutting tools.
■ Excellent Wear Resistance
Silicon nitride ceramic exhibits outstanding wear resistance, making it suitable for applications in high-wear environments.
■ Superior Insulating Performance
Silicon nitride ceramic possesses excellent electrical insulation properties and chemical stability, making it widely used in the electronics and semiconductor industries.
■ High Temperature Stability
It can maintain stability in high-temperature environments, making it suitable for applications like high-temperature heaters and furnaces.
Applications:
Rotating ball bearings and rollers bearings
Cutting tools
Engine components: valves, rocker arm pads, seal faces
Induction heating coil supports
Turbine blades, vanes, buckets
Welding and brazing noozles
Heating element components
Crucibles
Metal tube forming rolls and dies
TIG / Plasma welding nozzles
Weld positioners
Precision shafts and axles in high-wear environments
Thermocouple sheaths and tubes
Semiconductor process equipment
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