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CVD Diamond vs. Marble

CVD diamond belongs to the non-oxide engineering ceramics classification, while marble belongs to the natural stone. There are 13 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is CVD diamond and the bottom bar is marble.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1050
54
Poisson's Ratio 0.1
0.2
Tensile Strength: Ultimate (UTS), MPa 750
9.0

Thermal Properties

Specific Heat Capacity, J/kg-K 500
870
Thermal Conductivity, W/m-K 1900
3.1
Thermal Expansion, µm/m-K 1.0
21

Otherwise Unclassified Properties

Density, g/cm3 3.5
2.7

Common Calculations

Stiffness to Weight: Axial, points 170
11
Stiffness to Weight: Bending, points 96
47
Strength to Weight: Axial, points 59
0.93
Strength to Weight: Bending, points 52
3.6
Thermal Diffusivity, mm2/s 1080
1.3
Thermal Shock Resistance, points 51
0.57