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7075 Aluminum vs. Cadmium Telluride

7075 aluminum and cadmium telluride belong to fundamentally different material chemistries. 7075 aluminum is a metal, while cadmium telluride is a ceramic material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 10 material properties with values for both materials. Properties with values for just one material (24, in this case) are not shown.

For each property being compared, the top bar is 7075 aluminum and the bottom bar is cadmium telluride.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 3.0
5.9
Elastic (Young's, Tensile) Modulus, GPa 70
45
Melting Onset (Solidus), °C 480
1090
Poisson's Ratio 0.32
0.41
Specific Heat Capacity, J/kg-K 870
210
Stiffness to Weight: Axial, points 13
4.3
Stiffness to Weight: Bending, points 46
20
Thermal Conductivity, W/m-K 130
5.0
Thermal Diffusivity, mm2/s 50
4.1
Thermal Expansion, µm/m-K 23
5.9