Boron Carbide vs. Limestone
Boron carbide belongs to the non-oxide engineering ceramics classification, while limestone belongs to the natural stone. There are 15 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is boron carbide and the bottom bar is limestone.
Metric UnitsUS Customary Units
Mechanical Properties
| Compressive (Crushing) Strength, MPa | 1710 to 2200 | |
| 700 |
| Elastic (Young's, Tensile) Modulus, GPa | 240 to 460 | |
| 77 |
| Poisson's Ratio | 0.17 to 0.19 | |
| 0.25 |
| Tensile Strength: Ultimate (UTS), MPa | 350 | |
| 100 |
Thermal Properties
| Maximum Temperature: Mechanical, °C | 1000 to 2500 | |
| 360 |
| Specific Heat Capacity, J/kg-K | 950 | |
| 920 |
| Thermal Conductivity, W/m-K | 31 to 90 | |
| 2.1 |
| Thermal Expansion, µm/m-K | 4.5 to 5.6 | |
| 8.0 |
Otherwise Unclassified Properties
| Density, g/cm3 | 2.1 to 2.7 | |
| 2.6 |
Common Calculations
| Stiffness to Weight: Axial, points | 63 to 100 | |
| 16 |
| Stiffness to Weight: Bending, points | 91 to 100 | |
| 55 |
| Strength to Weight: Axial, points | 37 to 47 | |
| 11 |
| Strength to Weight: Bending, points | 42 to 53 | |
| 18 |
| Thermal Diffusivity, mm2/s | 16 to 38 | |
| 0.88 |
| Thermal Shock Resistance, points | 9.7 to 20 | |
| 12 |