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Lithium Fluoride vs. Silicon Carbide

Lithium fluoride belongs to the non-glass optical ceramics classification, while silicon carbide belongs to the non-oxide engineering 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 lithium fluoride and the bottom bar is silicon carbide.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.6
3.0 to 3.2
Elastic (Young's, Tensile) Modulus, GPa 120
370 to 490
Poisson's Ratio 0.27
0.14 to 0.21
Specific Heat Capacity, J/kg-K 1560
670 to 1180
Stiffness to Weight: Axial, points 24
69 to 84
Stiffness to Weight: Bending, points 62
79 to 82
Thermal Conductivity, W/m-K 12
120 to 170
Thermal Diffusivity, mm2/s 2.9
38 to 79
Thermal Expansion, µm/m-K 32
4.0 to 4.5