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Silicon Carbide vs. Potassium Bromide

Silicon 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 (17, in this case) are not shown.

For each property being compared, the top bar is silicon carbide and the bottom bar is potassium bromide.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 3.0 to 3.2
2.8
Elastic (Young's, Tensile) Modulus, GPa 370 to 490
24
Poisson's Ratio 0.14 to 0.21
0.17
Specific Heat Capacity, J/kg-K 670 to 1180
450
Stiffness to Weight: Axial, points 69 to 84
4.7
Stiffness to Weight: Bending, points 79 to 82
35
Thermal Conductivity, W/m-K 120 to 170
4.8
Thermal Diffusivity, mm2/s 38 to 79
3.9
Thermal Expansion, µm/m-K 4.0 to 4.5
39