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Tungsten Carbide vs. Potassium Bromide

Tungsten carbide belongs to the non-oxide engineering ceramics classification, while potassium bromide belongs to the non-glass optical ceramics. There are 9 material properties with values for both materials. Properties with values for just one material (16, 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 tungsten carbide and the bottom bar is potassium bromide.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 15
2.8
Elastic (Young's, Tensile) Modulus, GPa 630
24
Poisson's Ratio 0.24
0.17
Specific Heat Capacity, J/kg-K 280
450
Stiffness to Weight: Axial, points 24
4.7
Stiffness to Weight: Bending, points 20
35
Thermal Conductivity, W/m-K 85
4.8
Thermal Diffusivity, mm2/s 21
3.9
Thermal Expansion, µm/m-K 5.4
39