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Aluminum Titanate vs. Hafnia

Both aluminum titanate and hafnia are oxide-based engineering ceramics. There are 7 material properties with values for both materials. Properties with values for just one material (6, 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 aluminum titanate and the bottom bar is hafnia.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 3.2
9.7
Elastic (Young's, Tensile) Modulus, GPa 13
57
Maximum Temperature: Mechanical, °C 1250
2800
Stiffness to Weight: Axial, points 2.2
3.3
Stiffness to Weight: Bending, points 24
13
Thermal Conductivity, W/m-K 1.6
1.1
Thermal Expansion, µm/m-K 2.9
6.0