Aluminium

Aluminium: physical properties

Temperatures

• Melting point: 933.47 [or 660.32 °C (1220.58 °F)] K
• Boiling point: 2792 [or 2519 °C (4566 °F)] K (liquid range: 1858.53  K
• Critical temperature: no data  K
• Superconduction temperature: 1.175 [or -271.975 °C (-457.55 °F)] K

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Expansion and conduction properties

• Thermal conductivity: 235  W m^-1 K^-1
• Coefficient of linear thermal expansion: 23.1  x 10^-6 K^-1

Bulk properties

• Density of solid: 2700  kg m^-3
• Molar volume: 10.00  cm³
• Velocity of sound: 5100  m s^-1

Elastic properties

• Youngs modulus: 70  GPa
• Rigidity modulus: 26  GPa
• Bulk modulus: 76  GPa
• Poissons 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: 2.65  10^-8 Ω m; or mΩ cm

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)

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