MakeItFrom.com
Menu (ESC)

Lithium Fluoride vs. Calcium Fluoride

Both lithium fluoride and calcium fluoride are non-glass optical ceramics. There are 13 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is lithium fluoride and the bottom bar is calcium fluoride.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
80
Poisson's Ratio 0.27
0.26
Shear Modulus, GPa 52
34

Thermal Properties

Melting Onset (Solidus), °C 870
1420
Specific Heat Capacity, J/kg-K 1560
860
Thermal Conductivity, W/m-K 12
9.7
Thermal Expansion, µm/m-K 32
19

Otherwise Unclassified Properties

Density, g/cm3 2.6
3.2
Light Transmission Range, µm 0.12 to 6.5
0.15 to 9.0
Refractive Index 1.4
1.4

Common Calculations

Stiffness to Weight: Axial, points 24
14
Stiffness to Weight: Bending, points 62
45
Thermal Diffusivity, mm2/s 2.9
3.5