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7075 Aluminum vs. Thallium Bromoiodide

7075 aluminum and thallium bromoiodide belong to fundamentally different material chemistries. 7075 aluminum is a metal, while thallium bromoiodide is a ceramic material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 11 material properties with values for both materials. Properties with values for just one material (22, 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 7075 aluminum and the bottom bar is thallium bromoiodide.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
31
Poisson's Ratio 0.32
0.37
Shear Modulus, GPa 26
12

Thermal Properties

Melting Onset (Solidus), °C 480
420
Specific Heat Capacity, J/kg-K 870
150
Thermal Conductivity, W/m-K 130
0.55
Thermal Expansion, µm/m-K 23
6.0

Otherwise Unclassified Properties

Density, g/cm3 3.0
7.4

Common Calculations

Stiffness to Weight: Axial, points 13
2.3
Stiffness to Weight: Bending, points 46
14
Thermal Diffusivity, mm2/s 50
0.5