Silicon Mechanical Properties

• Coefficient of Thermal Linear Expansion 2.6e-6 /K
• C11 = 165.7 GPa
• C12 = 63.9 GPa
• C44 = 79.6 GPa
• Young's Modulus (E) = 155.8 GPa
• Poisson's Ratio .2152
• Shear Modulus 64.1 GPa
• Thermal Conductivity (solid) 1.412 W/cm-K
• Thermal Conductivity (liquid) 4.3 W/cm-K
• Specific Heat 0.70 J/g-K
• Thermal Diffusivity .9 cm**2/s
• Melting Point 1683 K
• Boiling Point 2628 K
• Critical Temperature 5159 K
• Vapor pressure 1e-7 Torr at 1050C 1e-5 Torr at 1250C
• Molar heat capacity 20.00 J/mol-K
• Average energy loss per phonon scattering .063 eV
• Optical phonon free path
  • electrons 6.2 nm
  • holes 4.5 nm