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2024 Aluminum vs. Hexagonal Boron Nitride

2024 aluminum and hexagonal boron nitride belong to fundamentally different material chemistries. 2024 aluminum is a metal, while hexagonal boron 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 (29, in this case) are not shown.

For each property being compared, the top bar is 2024 aluminum and the bottom bar is hexagonal boron nitride.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 3.0
1.9 to 2.1
Elastic (Young's, Tensile) Modulus, GPa 71
14 to 60
Maximum Temperature: Mechanical, °C 200
1030 to 2350
Poisson's Ratio 0.33
0.11
Specific Heat Capacity, J/kg-K 880
840 to 1610
Stiffness to Weight: Axial, points 13
4.1 to 18
Stiffness to Weight: Bending, points 46
42 to 69
Thermal Conductivity, W/m-K 120
29 to 96
Thermal Diffusivity, mm2/s 46
9.9 to 34
Thermal Expansion, µm/m-K 23
0.54 to 18