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Silicon Carbide vs. Ceria

Silicon carbide belongs to the non-oxide engineering ceramics classification, while ceria belongs to the oxide-based 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 silicon carbide and the bottom bar is ceria.

Metric UnitsUS Customary Units

Material Properties

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