Cork

Cork is a wood-based material.

Material Properties

Compressive (Crushing) Strength1.0 MPa (0.15 x 103 psi)

Density0.15 g/cm3 (9.4 lb/ft3)

Dielectric Strength (Breakdown Potential)1.5 kV/mm (0.059 V/mil)

Elastic (Young's, Tensile) Modulus0.020 GPa (0.0029 x 106 psi)

Elongation at Break15 %

Shear Modulus0.010 GPa (0.0015 x 106 psi)

Specific Heat Capacity2000 J/kg-K

Strength to Weight Ratio5.7 kN-m/kg

Tensile Strength: Ultimate (UTS)0.85 MPa (0.12 x 103 psi)

Thermal Conductivity0.040 W/m-K

Thermal Diffusivity0.13

Thermal Expansion200 µm/m-K

Further Reading

Wood Handbook: Wood as an Engineering Material, Forest Products Laboratory, USDA Forest Service, 1999

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