Silicon Nitride (Si3N4 sintered SSN) vs Tungsten Carbide (WC-6%Co Cermet)
Property comparison of Silicon Nitride (Si3N4 sintered SSN) and Tungsten Carbide (WC-6%Co Cermet), both ceramic.
| Property | Silicon Nitride (Si3N4 sintered SSN) | Tungsten Carbide (WC-6%Co Cermet) | Difference |
|---|---|---|---|
| Elastic modulus | 270,000 MPa | 600,000 MPa | +122% |
| Shear modulus | 110,000 MPa | 240,000 MPa | +118% |
| Poisson ratio | 0.28 | 0.22 | -21% |
| Density | 3,200 kg/m³ | 14,950 kg/m³ | +367% |
| Thermal conductivity | 16 W/m·K | 70 W/m·K | +338% |
| Specific heat | 720 J/kg·K | 280 J/kg·K | -61% |
| Coefficient of thermal expansion | 0.000003 1/K | 0.000005 1/K | +60% |
Difference is Tungsten Carbide (WC-6%Co Cermet) relative to Silicon Nitride (Si3N4 sintered SSN). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- standard
- ASTM
- standard
- sintered
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