SiAlON (Silicon Aluminum Oxynitride) vs Silicon Carbide (SiC reaction-bonded)
Property comparison of SiAlON (Silicon Aluminum Oxynitride) and Silicon Carbide (SiC reaction-bonded), both ceramic.
| Property | SiAlON (Silicon Aluminum Oxynitride) | Silicon Carbide (SiC reaction-bonded) | Difference |
|---|---|---|---|
| Elastic modulus | 288,000 MPa | 380,000 MPa | +32% |
| Shear modulus | 120,000 MPa | 165,000 MPa | +38% |
| Poisson ratio | 0.25 | 0.17 | -32% |
| Density | 3,240 kg/m³ | 3,100 kg/m³ | -4% |
| Thermal conductivity | 18 W/m·K | 115 W/m·K | +539% |
| Specific heat | 880 J/kg·K | 670 J/kg·K | -24% |
| Coefficient of thermal expansion | 0.000003 1/K | 0.000004 1/K | +43% |
Difference is Silicon Carbide (SiC reaction-bonded) relative to SiAlON (Silicon Aluminum Oxynitride). 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
- sintered
- standard
- ASTM
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