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Silicon Nitride vs. Ceria

Silicon nitride 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 (9, 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 nitride and the bottom bar is ceria.

Metric UnitsUS Customary Units

Material Properties

Compressive (Crushing) Strength, MPa 600 to 2950
590
Density, g/cm3 2.2 to 3.4
7.6
Elastic (Young's, Tensile) Modulus, GPa 140 to 310
180
Electrical Resistivity Order of Magnitude, 10x Ω-m 11 to 12
4.0
Maximum Temperature: Mechanical, °C 1000 to 1330
1900
Specific Heat Capacity, J/kg-K 720 to 800
390
Stiffness to Weight: Axial, points 34 to 53
13
Stiffness to Weight: Bending, points 65 to 78
25
Thermal Expansion, µm/m-K 2.5 to 3.2
11