Silicon Nitride (Si3N4 HPSN) vs Tungsten Carbide (WC-6%Co Cermet)
Property comparison of Silicon Nitride (Si3N4 HPSN) and Tungsten Carbide (WC-6%Co Cermet), both ceramic.
| Property | Silicon Nitride (Si3N4 HPSN) | Tungsten Carbide (WC-6%Co Cermet) | Difference |
|---|---|---|---|
| Elastic modulus | 300,000 MPa | 600,000 MPa | +100% |
| Shear modulus | 120,000 MPa | 240,000 MPa | +100% |
| Poisson ratio | 0.27 | 0.22 | -19% |
| Density | 3,250 kg/m³ | 14,950 kg/m³ | +360% |
| Thermal conductivity | 29 W/m·K | 70 W/m·K | +141% |
| Specific heat | 720 J/kg·K | 280 J/kg·K | -61% |
| Coefficient of thermal expansion | 0.000003 1/K | 0.000005 1/K | +45% |
Difference is Tungsten Carbide (WC-6%Co Cermet) relative to Silicon Nitride (Si3N4 HPSN). 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
What else is in Engineering Database
AI built for engineering. Searches the engineering database, performs calculations, gives source-backed engineering insights.
Get started for free ↗Reference Data375 engineering tablesMaterial properties, pipe and shape dimensions, code tables, and electrical ratings across mechanical, civil, chemical, electrical, materials, and manufacturing engineering.
Browse dataCalculatorsDeterministic engineering calculatorsSizing, checking, and conversion tools that run against the reference tables. Inputs are code-compliant, outputs are traceable to the source standard.
Browse calculators