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| Categories | Silicon Nitride Ceramics |
|---|---|
| Certification: | ISO9001 |
| Weight: | Depends on size and material density |
| Place of Origin: | Handan |
| Material: | Silicone Nitride |
| Shape: | Customized |
| Price: | $1.5~$5000 Per Piece |
| Packaging Details: | Wooden Cages or Heavy Carton |
| Thermal shockresistance: | High |
| Temperatureresistance: | Up to 1400°C or higher |
| Finish: | Smooth Surface |
| Supply Ability: | 200 Pieces per Month |
| Surface Roughness: | Ra0.3 |
| Usage: | Melting, calcining, and chemical reactions |
| Brand Name: | Norcera |
| Type: | Custom Ceramic Substrates |
| MOQ: | 1 Piece |
| Durability: | High durability under high temperature conditions |
| Payment Terms: | T/T |
| Tolerance: | ±0.02mm |
| Color: | Typically Black or Grey |
| Delivery Time: | 10-15 Work Days |
| Chemical resistance: | Resistant to acids, alkalis, and molten metals |
| Size: | Various sizes available |
| Company Info. |
| Norceramic New Materials (Beijing) Co., Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
Thermal Conductivity Silicon Nitride Ceramic Block Si₃N₄ Solid Substrates for High‑Temperature Application
Our Silicon nitride substrate features high thermal conductivity, outstanding mechanical strength, excellent thermal shock resistance and low thermal expansion coefficient. It is widely adopted for power electronic packaging such as IGBT modules, new energy vehicle power devices. Custom cutting, laser drilling and grooving are available according to drawings.

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.

■ Impressive Thermal Performance

Main Applications:
High-temperature furnace protection tubes, thermocouple insulating sleeves, metallurgical molten metal conveying and shielding tubes, semiconductor thermal processing equipment, new energy high-temperature modules, chemical anti-corrosion piping and industrial high-temperature insulating structural parts.
Main Applications of Ceramic Substrates
Thanks to these desirable properties, ceramic substrates find
applications in a variety of industries.
● The Automotive Industry
You can find a broad range of ceramics employed to make electric power steering, integrated starter alternators, diesel and water pump controls, and motor and engine controls for vehicles. These devices could not only reduce fuel consumption but also decrease exhaust pollution.
● The Renewable Energy Field
These substrates are applied to the renewable energy industry to
manufacture inverters for photovoltaics solar and concentrators for
concentrator photovoltaics.


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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