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Beryllia vs. Ceria

Both beryllia and ceria are oxide-based engineering ceramics. There are 9 material properties with values for both materials. Properties with values for just one material (13, 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 beryllia and the bottom bar is ceria.

Metric UnitsUS Customary Units

Material Properties

Compressive (Crushing) Strength, MPa 1650
590
Density, g/cm3 2.9
7.6
Elastic (Young's, Tensile) Modulus, GPa 350
180
Electrical Resistivity Order of Magnitude, 10x Ω-m 13
4.0
Maximum Temperature: Mechanical, °C 1750
1900
Specific Heat Capacity, J/kg-K 1050
390
Stiffness to Weight: Axial, points 67
13
Stiffness to Weight: Bending, points 82
25
Thermal Expansion, µm/m-K 8.0
11