Boron Carbide vs. Potassium Bromide
Boron carbide belongs to the non-oxide engineering ceramics classification, while potassium bromide belongs to the non-glass optical ceramics. There are 10 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.
For each property being compared, the top bar is boron carbide and the bottom bar is potassium bromide.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 2.1 to 2.7 | |
| 2.8 |
| Dielectric Constant (Relative Permittivity) At 1 MHz | 6.4 | |
| 4.9 |
| Elastic (Young's, Tensile) Modulus, GPa | 240 to 460 | |
| 24 |
| Poisson's Ratio | 0.17 to 0.19 | |
| 0.17 |
| Specific Heat Capacity, J/kg-K | 950 | |
| 450 |
| Stiffness to Weight: Axial, points | 63 to 100 | |
| 4.7 |
| Stiffness to Weight: Bending, points | 91 to 100 | |
| 35 |
| Thermal Conductivity, W/m-K | 31 to 90 | |
| 4.8 |
| Thermal Diffusivity, mm2/s | 16 to 38 | |
| 3.9 |
| Thermal Expansion, µm/m-K | 4.5 to 5.6 | |
| 39 |