Palladium: physical properties

Mechanical properties

Density properties

• Density of solid: 12023 kg m^‑3
• Molar volume: 8.56 cm³

Elastic properties

• Young's modulus: 121 GPa
• Rigidity modulus: 44 GPa
• Bulk modulus: 180 GPa
• Poisson's ratio: 0.39 (no units)

Hardnesses

• Mineral hardness: 4.75 (no units)
• Brinell hardness: 37.3 MN m^-2
• Vickers hardness: 461 MN m^-2

Electrical properties

• Electrical resistivity: 10.8 × 10^‑8 Ω m; or mΩ cm

Heat and conduction

• Thermal conductivity: 72 W m^‑1 K^‑1
• Coefficient of linear thermal expansion: 11.8 × 10^‑6 K^‑1

Optical properties

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

• Reflectivity: 72 %
• Refractive index: (no data) (no units)

Acoustic properties

• Velocity of sound: 3070 m s^‑1

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