Precision Machined Silicon Nitride Ceramics Light Weight Ceramic Components Thermal Shock Resistance
Light Weight Machining Si3N4 Silicon Nitride Ceramic Parts Components
Silicon Nitride Ceramic Parts:
Silicon Nitride (Si3N4) is one of the highest performing technical ceramics. Its properties include a low density, excellent flexural strength, and resistance to thermal shock, including high maximum operating temperatures and fracture toughness. These strengths make it ideal for use as pump components, engine parts, petrochemical industry components, and aerospace components.
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 jigs
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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