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Grade 5 Titanium vs. Zinc Sulfide

Grade 5 titanium and zinc sulfide belong to fundamentally different material chemistries. Grade 5 titanium is a metal, while zinc sulfide 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 grade 5 titanium and the bottom bar is zinc sulfide.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 4.4
4.1
Elastic (Young's, Tensile) Modulus, GPa 110
75
Melting Onset (Solidus), °C 1650
1830
Poisson's Ratio 0.32
0.28
Specific Heat Capacity, J/kg-K 560
520
Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 35
34
Thermal Conductivity, W/m-K 6.8
27
Thermal Diffusivity, mm2/s 2.7
13
Thermal Expansion, µm/m-K 8.9
6.5