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| 99.5% Aluminium oxide (particle) | Aluminium alloy 2024 (target material) | ||
Mechanical properties | Units of measure | Value | Value | ||
Density | kg/m3 | 3890 | 2780 | ||
Elastic modulus | GPa | 360 | 70 | ||
Shear modulus | GPa | 154 | 26 | ||
Bulk modulus | GPa | 228 | - | ||
Flexural strength | MPa | 379 | - | ||
Poisson’s ratio | - | 0.23 | 0.33 | ||
Compressive strength | MPa | 2600 | - | ||
Hardness | kg/mm2 | 1440 | 47 | ||
Elongation at break | - | - | 19% | ||
Yield strength | MPa | - | 324 | ||
Thermal properties |
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Thermal conductivity | W/m・K | 35 | 121 | ||
Coefficient of thermal expansion | 10−6/C | 8.4 | 24.66 | ||
Specific heat | J/kg・K | 880 | 875 | ||