MakeItFrom.com
Menu (ESC)

Cesium Iodide vs. Cesium Bromide

Both cesium iodide and cesium bromide are non-glass optical ceramics.

For each property being compared, the top bar is cesium iodide and the bottom bar is cesium bromide.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 4.0
16
Knoop Hardness 20
20
Poisson's Ratio 0.21
0.28
Shear Modulus, GPa 6.2
7.5

Thermal Properties

Melting Onset (Solidus), °C 620
640
Specific Heat Capacity, J/kg-K 200
270
Thermal Conductivity, W/m-K 1.1
0.9
Thermal Expansion, µm/m-K 48
48

Otherwise Unclassified Properties

Density, g/cm3 4.5
4.4
Light Transmission Range, µm 0.25 to 55
0.25 to 40
Refractive Index 1.9
1.6

Common Calculations

Stiffness to Weight: Axial, points 0.49
2.0
Stiffness to Weight: Bending, points 12
19
Thermal Diffusivity, mm2/s 1.2
0.76