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Zinc Selenide vs. Silver Bromide

Both zinc selenide and silver bromide are non-glass optical ceramics. There are 11 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is zinc selenide and the bottom bar is silver bromide.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
32

Thermal Properties

Melting Onset (Solidus), °C 1520
430
Specific Heat Capacity, J/kg-K 340
290
Thermal Conductivity, W/m-K 17
1.2
Thermal Expansion, µm/m-K 7.3
30

Otherwise Unclassified Properties

Density, g/cm3 5.3
6.5
Light Transmission Range, µm 0.6 to 21
0.45 to 35
Refractive Index 2.5
2.3

Common Calculations

Stiffness to Weight: Axial, points 7.3
2.7
Stiffness to Weight: Bending, points 26
16
Thermal Diffusivity, mm2/s 9.5
0.64