| Property* | Value |
|---|---|
| General | |
| Chemical Formula | B4C |
| Mechanical | |
| Density | 2.48 - 2.52 gm/cc |
| Hardness | 2800-3000 Knoop |
| Modulus of Elasticity | 51 - 66 x 106 psi |
| Flexural Strength | 48 - 58 kpsi |
| Compressive Strength | 200 - 350 kpsi |
| Poisson's Ratio | 0.16 - 0.21 |
| Fracture Toughness | 3 - 4 MPa m½ |
| Electrical | |
| Volume Resistivity | 1 ohm-cm |
| Thermal | |
| Coefficient of Thermal Expansion | 5.0 - 5.6 x 10-6/°C |
| Thermal Conductivity | 33 - 92 W/mK |
| Maximum Working Temperature | 600 °C |
| All properties are at room temperature unless otherwise noted. Engineering data are representative, and are not intended as absolute nor warrantable. Manufacturer’s Data shown is blended from multiple sources and therefore illustrates the marketplace. | |
Wikipedia Reference for Boron Carbide
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