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Cork vs. Titanium Diboride

Cork and titanium diboride belong to fundamentally different material chemistries. Cork is a polymeric material, while titanium diboride is ceramic. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 13 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is cork and the bottom bar is titanium diboride.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 1.0
3540
Elastic (Young's, Tensile) Modulus, GPa 0.020
290
Tensile Strength: Ultimate (UTS), MPa 0.85
280

Thermal Properties

Specific Heat Capacity, J/kg-K 2000
870
Thermal Conductivity, W/m-K 0.040
58
Thermal Expansion, µm/m-K 200
8.0

Otherwise Unclassified Properties

Density, g/cm3 0.15
4.5

Common Calculations

Stiffness to Weight: Axial, points 0.074
35
Stiffness to Weight: Bending, points 60
49
Strength to Weight: Axial, points 1.6
17
Strength to Weight: Bending, points 13
21
Thermal Diffusivity, mm2/s 0.13
15
Thermal Shock Resistance, points 16
8.7