Aluminium: physical properties
Mechanical properties
Density properties
Density of solid: 2700 kg m‑3
Molar volume: 10.00 cm3
Elastic properties
Young's modulus: 70 GPa
Rigidity modulus: 26 GPa
Bulk modulus: 76 GPa
Poisson's ratio: 0.35 (no units)
Hardnesses
Mineral hardness: 2.75 (no units)
Brinell hardness: 245 MN m-2
Vickers hardness: 167 MN m-2
Electrical properties
Electrical resistivity: 2.7 × 10‑8 Ω m; or mΩ cm
Heat and conduction
Thermal conductivity: 235 W m‑1 K‑1
Coefficient of linear thermal expansion: 23.1 × 10‑6 K‑1
Optical properties
The image above is a virtual representation of aluminium metal calculated by Patrick Callet using the complex diectric function of the element only.
Reflectivity: 71 %
Refractive index: (no data) (no units)
Acoustic properties
Velocity of sound: 5100 m s‑1
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