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Ferrite vs. Silica Aerogel

Both ferrite and silica aerogel are oxide-based engineering ceramics. There are 10 material properties with values for both materials. Properties with values for just one material (10, 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 ferrite and the bottom bar is silica aerogel.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 4.7 to 4.8
0.1
Elastic (Young's, Tensile) Modulus, GPa 120 to 140
0.0050
Stiffness to Weight: Axial, points 15 to 16
0.028
Stiffness to Weight: Bending, points 35 to 36
57
Strength to Weight: Axial, points 2.8 to 4.1
0.044
Strength to Weight: Bending, points 6.2 to 8.0
1.4
Tensile Strength: Ultimate (UTS), MPa 48 to 71
0.016
Thermal Conductivity, W/m-K 3.9 to 6.3
0.016
Thermal Expansion, µm/m-K 8.0 to 9.3
2.0
Thermal Shock Resistance, points 3.0 to 4.6
110