Beryllia vs. Titanium Diboride
Beryllia belongs to the oxide-based engineering ceramics classification, while titanium diboride belongs to the non-oxide engineering ceramics. There are 17 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 beryllia and the bottom bar is titanium diboride.
Metric UnitsUS Customary Units
Mechanical Properties
| Compressive (Crushing) Strength, MPa | 1650 | |
| 3540 |
| Elastic (Young's, Tensile) Modulus, GPa | 350 | |
| 290 |
| Flexural Strength, MPa | 240 | |
| 380 |
| Poisson's Ratio | 0.26 | |
| 0.11 |
| Tensile Strength: Ultimate (UTS), MPa | 140 | |
| 280 |
Thermal Properties
| Maximum Temperature: Mechanical, °C | 1750 | |
| 1270 |
| Specific Heat Capacity, J/kg-K | 1050 | |
| 870 |
| Thermal Conductivity, W/m-K | 270 | |
| 58 |
| Thermal Expansion, µm/m-K | 8.0 | |
| 8.0 |
Electrical Properties
| Electrical Resistivity Order of Magnitude, 10x Ω-m | 13 | |
| -6.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 2.9 | |
| 4.5 |
Common Calculations
| Stiffness to Weight: Axial, points | 67 | |
| 35 |
| Stiffness to Weight: Bending, points | 82 | |
| 49 |
| Strength to Weight: Axial, points | 14 | |
| 17 |
| Strength to Weight: Bending, points | 21 | |
| 21 |
| Thermal Diffusivity, mm2/s | 89 | |
| 15 |
| Thermal Shock Resistance, points | 3.6 | |
| 8.7 |