Boron Carbide (B4C hot-pressed) vs Cordierite (2MgO-2Al2O3-5SiO2)
Property comparison of Boron Carbide (B4C hot-pressed) and Cordierite (2MgO-2Al2O3-5SiO2), both ceramic.
| Property | Boron Carbide (B4C hot-pressed) | Cordierite (2MgO-2Al2O3-5SiO2) | Difference |
|---|---|---|---|
| Elastic modulus | 450,000 MPa | 70,000 MPa | -84% |
| Shear modulus | 188,000 MPa | 29,000 MPa | -85% |
| Poisson ratio | 0.2 | 0.21 | +5% |
| Density | 2,510 kg/m³ | 2,100 kg/m³ | -16% |
| Thermal conductivity | 30 W/m·K | 1.5 W/m·K | -95% |
| Specific heat | 950 J/kg·K | 830 J/kg·K | -13% |
| Coefficient of thermal expansion | 0.000006 1/K | 0.000003 1/K | -48% |
Difference is Cordierite (2MgO-2Al2O3-5SiO2) relative to Boron Carbide (B4C hot-pressed). 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
- ASTM
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