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Ceria vs. Silicon Carbide

Ceria belongs to the oxide-based engineering ceramics classification, while silicon carbide 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 silicon carbide.

Metric UnitsUS Customary Units

Material Properties

Compressive (Crushing) Strength, MPa 590
2780 to 3900
Density, g/cm3 7.6
3.0 to 3.2
Elastic (Young's, Tensile) Modulus, GPa 180
370 to 490
Electrical Resistivity Order of Magnitude, 10x Ω-m 4.0
0.94 to 3.3
Maximum Temperature: Mechanical, °C 1900
500 to 1590
Specific Heat Capacity, J/kg-K 390
670 to 1180
Stiffness to Weight: Axial, points 13
69 to 84
Stiffness to Weight: Bending, points 25
79 to 82
Thermal Expansion, µm/m-K 11
4.0 to 4.5