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Ceria vs. Aluminum Nitride

Ceria belongs to the oxide-based engineering ceramics classification, while aluminum nitride belongs to the non-oxide engineering ceramics. There are 9 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

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

Metric UnitsUS Customary Units

Material Properties

Compressive (Crushing) Strength, MPa 590
2100
Density, g/cm3 7.6
2.9 to 3.3
Elastic (Young's, Tensile) Modulus, GPa 180
330
Electrical Resistivity Order of Magnitude, 10x Ω-m 4.0
10 to 12
Maximum Temperature: Mechanical, °C 1900
1380
Specific Heat Capacity, J/kg-K 390
780
Stiffness to Weight: Axial, points 13
55 to 63
Stiffness to Weight: Bending, points 25
69 to 80
Thermal Expansion, µm/m-K 11
4.2 to 5.4