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Shot Blast Nozzles
Hard but Affordable
Boron carbide is the third hardest known material, only surpassed by diamond and cubic boron nitride.
Typical physical properties of boron carbide and silicon carbide:
| Property | Unit | B4C | SiSiC |
|---|---|---|---|
| Density | g/cm³ | >2.48 | >3.07 |
| Hardness (Vickers) | GPa | 32 | 24 |
| Compressive Strength | MPa | 2760 | 2100 |
| Flexural Strength | MPa | 360 | 290 |
| Young's Modulus | GPa | 455 | 320 |
| Poisson - Ratio | - | 0.16 | 0.17 |
| Weibull Modulus | - | 10 | 12 |
| Thermal Expansion (20-1000°C) | 10-6K-1 | 5.6 | 4,6 |
| Thermal Conductivity (20°C) | W/mK | 30 | 80 |
| Specific Electrical Resistivity (20°C) | Ohm cm | 0.1 | 0.1 |
Wear resistance in comparison:
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