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Grade 5 Titanium vs. Aluminum Nitride

Grade 5 titanium and aluminum nitride belong to fundamentally different material chemistries. Grade 5 titanium is a metal, while aluminum nitride 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 (32, in this case) are not shown.

For each property being compared, the top bar is grade 5 titanium and the bottom bar is aluminum nitride.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 4.4
2.9 to 3.3
Elastic (Young's, Tensile) Modulus, GPa 110
330
Maximum Temperature: Mechanical, °C 330
1380
Poisson's Ratio 0.32
0.21 to 0.31
Specific Heat Capacity, J/kg-K 560
780
Stiffness to Weight: Axial, points 13
55 to 63
Stiffness to Weight: Bending, points 35
69 to 80
Thermal Conductivity, W/m-K 6.8
80 to 190
Thermal Diffusivity, mm2/s 2.7
31 to 74
Thermal Expansion, µm/m-K 8.9
4.2 to 5.4