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Thallium Bromoiodide vs. CVD Diamond

Thallium bromoiodide belongs to the non-glass optical ceramics classification, while CVD diamond belongs to the non-oxide engineering ceramics. There are 11 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is thallium bromoiodide and the bottom bar is CVD diamond.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 31
1050
Poisson's Ratio 0.37
0.1

Thermal Properties

Specific Heat Capacity, J/kg-K 150
500
Thermal Conductivity, W/m-K 0.55
1900
Thermal Expansion, µm/m-K 6.0
1.0

Otherwise Unclassified Properties

Density, g/cm3 7.4
3.5
Light Transmission Range, µm 0.6 to 40
0.22 to 100
Refractive Index 2.4
2.4

Common Calculations

Stiffness to Weight: Axial, points 2.3
170
Stiffness to Weight: Bending, points 14
96
Thermal Diffusivity, mm2/s 0.5
1080