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3003 Aluminum vs. Aluminum Nitride

3003 aluminum and aluminum nitride belong to fundamentally different material chemistries. 3003 aluminum 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 3003 aluminum and the bottom bar is aluminum nitride.

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Material Properties

Density, g/cm3 2.8
2.9 to 3.3
Elastic (Young's, Tensile) Modulus, GPa 70
330
Maximum Temperature: Mechanical, °C 180
1380
Poisson's Ratio 0.33
0.21 to 0.31
Specific Heat Capacity, J/kg-K 900
780
Stiffness to Weight: Axial, points 14
55 to 63
Stiffness to Weight: Bending, points 50
69 to 80
Thermal Conductivity, W/m-K 180
80 to 190
Thermal Diffusivity, mm2/s 71
31 to 74
Thermal Expansion, µm/m-K 23
4.2 to 5.4