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Aluminum Nitride vs. Cesium Iodide

Aluminum nitride belongs to the non-oxide engineering ceramics classification, while cesium iodide belongs to the non-glass optical ceramics. There are 10 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is aluminum nitride and the bottom bar is cesium iodide.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.9 to 3.3
4.5
Elastic (Young's, Tensile) Modulus, GPa 330
4.0
Knoop Hardness 1160
20
Poisson's Ratio 0.21 to 0.31
0.21
Specific Heat Capacity, J/kg-K 780
200
Stiffness to Weight: Axial, points 55 to 63
0.49
Stiffness to Weight: Bending, points 69 to 80
12
Thermal Conductivity, W/m-K 80 to 190
1.1
Thermal Diffusivity, mm2/s 31 to 74
1.2
Thermal Expansion, µm/m-K 4.2 to 5.4
48