Zirconia vs. Aluminum Titanate

Both zirconia and aluminum titanate 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.

For each property being compared, the top bar is zirconia and the bottom bar is aluminum titanate.

Zirconia (Zirconium Dioxide, ZrO₂)Aluminum Titanate (Al₂TiO₅)

Metric UnitsUS Customary Units

Material Properties

Density, g/cm³		5.7 to 6.0
Density, g/cm³		3.2

Elastic (Young's, Tensile) Modulus, GPa		190 to 200
Elastic (Young's, Tensile) Modulus, GPa		13

Flexural Strength, MPa		630 to 970
Flexural Strength, MPa		29

Fracture Toughness, MPa-m^1/2		8.0 to 11
Fracture Toughness, MPa-m^1/2		1.0

Maximum Temperature: Mechanical, °C		500 to 1330
Maximum Temperature: Mechanical, °C		1250

Stiffness to Weight: Axial, points		19
Stiffness to Weight: Axial, points		2.2

Stiffness to Weight: Bending, points		33 to 34
Stiffness to Weight: Bending, points		24

Thermal Conductivity, W/m-K		2.2 to 4.3
Thermal Conductivity, W/m-K		1.6

Thermal Expansion, µm/m-K		8.8 to 9.5
Thermal Expansion, µm/m-K		2.9

Zirconia vs. Aluminum Titanate

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