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Cadmium Telluride vs. Machinable Glass-ceramic

Cadmium telluride belongs to the non-glass optical ceramics classification, while machinable glass-ceramic belongs to the glass and glass-ceramics. There are 10 material properties with values for both materials. Properties with values for just one material (18, 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 cadmium telluride and the bottom bar is machinable glass-ceramic.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 5.9
2.7
Elastic (Young's, Tensile) Modulus, GPa 45
67
Knoop Hardness 45
250
Poisson's Ratio 0.41
0.29
Specific Heat Capacity, J/kg-K 210
790
Stiffness to Weight: Axial, points 4.3
14
Stiffness to Weight: Bending, points 20
51
Thermal Conductivity, W/m-K 5.0
1.2
Thermal Diffusivity, mm2/s 4.1
0.56
Thermal Expansion, µm/m-K 5.9
21