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Zirconia vs. Alumina-lime-silica Glass

Zirconia belongs to the oxide-based engineering ceramics classification, while alumina-lime-silica glass belongs to the glass and glass-ceramics. There are 8 material properties with values for both materials. Properties with values for just one material (18, 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 zirconia and the bottom bar is alumina-lime-silica glass.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 5.7 to 6.0
2.8
Dielectric Strength (Breakdown Potential), kV/mm 7.7 to 9.0
34
Elastic (Young's, Tensile) Modulus, GPa 190 to 200
90
Electrical Resistivity Order of Magnitude, 10x Ω-m 4.5 to 11
12
Flexural Strength, MPa 630 to 970
46
Stiffness to Weight: Axial, points 19
18
Stiffness to Weight: Bending, points 33 to 34
53
Thermal Expansion, µm/m-K 8.8 to 9.5
4.3