Boron Carbide vs. Lead-alkali-silica Glass
Boron carbide belongs to the non-oxide engineering ceramics classification, while lead-alkali-silica glass belongs to the glass and glass-ceramics. There are 7 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.
For each property being compared, the top bar is boron carbide and the bottom bar is lead-alkali-silica glass.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 2.1 to 2.7 | |
| 3.1 |
| Elastic (Young's, Tensile) Modulus, GPa | 240 to 460 | |
| 67 |
| Electrical Resistivity Order of Magnitude, 10x Ω-m | 0 to 11 | |
| 12 |
| Flexural Strength, MPa | 170 to 410 | |
| 34 |
| Stiffness to Weight: Axial, points | 63 to 100 | |
| 12 |
| Stiffness to Weight: Bending, points | 91 to 100 | |
| 43 |
| Thermal Expansion, µm/m-K | 4.5 to 5.6 | |
| 9.0 |