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Good Thermal Conductivity Silicon Nitride Ceramic Rod/Bar/INNOVACERA
| Brand Name : | INNOVACERA |
|---|---|
| Certification : | ISO |
Product description
Specification:
1. Long working life
2. High temperature usage
3. Frication coefficient is low nonmagnetic
4. OEM
Good Thermal Conductivity Silicon Nitride Ceramic Rod/Bar/INNOVACERA
Si3N4 ceramic is continuous and robust network structure because of its basic
structural unit [SiN4] tetrahedral construction.So it has the chacteriastics:
• Low coefficient of thermal expansion,
• High thermal conductivity
• Excellent thermal shock resistance
• Low density
• High strength and impact resistance
• wear resistance
• Electrical resistivity
|
Silicon Nitride (Si3N4) Ceramic |
|||
|
Properties |
Unit |
Pressureless Sintered |
Hot pressed |
|
Bulk Density |
Kg/m3 |
3.2×103
|
3.25×103 |
|
Water Absorption |
% |
0 |
0 |
|
Mechanical |
|||
|
Porosity |
%(%) |
0 |
0 |
|
Color |
- |
Black |
Black |
|
Flexural Strength |
MPa |
610 |
880 |
|
Elastic Modulus |
GPa |
290 |
300 |
|
Vickers Hardnes |
GPa |
13.9 |
14.0 |
|
Maximum Use Temperature |
°C |
1000 |
1000 |
|
Thermal |
|
||
|
Thermal Conductivity |
W/m•°K |
20 |
30 |
|
Coefficient of Thermal Expansion |
10–6/°C(4.-800℃) |
3.2 |
3.0 |
|
Thermal Shock Resistance(20°C) |
Δ T(C) |
550 |
750 |
|
Electrical |
|
||
|
Volume Resistivity |
ohm•cm |
>1012 |
------ |
|
Dielectric Strength |
V/m |
10×106 |
------
|
Tube/sleeve/bushing/ring
Bar/roller
Shaft/liner/insert
Plate/tile/brick/disc/substrate
Ball/Bearing/Bead
Crucible
Other structure part/component
Manufacturing Options:
Hot press Sintering
Pressurelsess Sintering
Gps-Pressure Sintering
Hot-Iso-Pressure Sintering(HIP)
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