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Cork vs. 50Cr-50Ni-Cb Alloy

Cork and 50Cr-50Ni-Cb alloy belong to fundamentally different material chemistries. Cork is a polymeric material, while 50Cr-50Ni-Cb alloy is a metal. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 12 material properties with values for both materials. Properties with values for just one material (13, 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 50Cr-50Ni-Cb alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 0.020
210
Elongation at Break, % 15
5.6
Shear Modulus, GPa 0.010
84
Tensile Strength: Ultimate (UTS), MPa 0.85
620

Thermal Properties

Specific Heat Capacity, J/kg-K 2000
480
Thermal Expansion, µm/m-K 200
15

Otherwise Unclassified Properties

Density, g/cm3 0.15
8.0

Common Calculations

Stiffness to Weight: Axial, points 0.074
15
Stiffness to Weight: Bending, points 60
25
Strength to Weight: Axial, points 1.6
21
Strength to Weight: Bending, points 13
20
Thermal Shock Resistance, points 16
14