Ruthenium - ₄₄Ru: physical properties

Density properties

• Density of solid: 12370 kg m^‑3
• Molar volume: 8.17 cm³

Elastic properties

• Young's modulus: 447 GPa
• Rigidity modulus: 173 GPa
• Bulk modulus: 220 GPa
• Poisson's ratio: 0.30 (no units)

Hardnesses

• Mineral hardness: 6.5 (no units)
• Brinell hardness: 2160 MN m^-2
• Vickers hardness: (no data) MN m^-2

Electrical properties

• Electrical resistivity: 7.1 × 10^‑8 Ω m; or mΩ cm

Heat and conduction

• Thermal conductivity: 120 W m^‑1 K^‑1
• Coefficient of linear thermal expansion: 6.4 × 10^‑6 K^‑1

Optical properties

The image above is a virtual representation of ruthenium metal calculated by Patrick Callet using the complex diectric function of the element only.

• Reflectivity: (no data) %
• Refractive index: (no data) (no units)

Acoustic properties

• Velocity of sound: 5970 m s^‑1