SiAlON vs. Aluminum Titanate

SiAlON belongs to the non-oxide engineering ceramics classification, while aluminum titanate belongs to the oxide-based engineering ceramics. There are 9 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

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

SiAlON Aluminum Titanate (Al₂TiO₅)

Metric UnitsUS Customary Units

Material Properties

Density, g/cm³		3.3
Density, g/cm³		3.2

Elastic (Young's, Tensile) Modulus, GPa		290
Elastic (Young's, Tensile) Modulus, GPa		13

Flexural Strength, MPa		680
Flexural Strength, MPa		29

Fracture Toughness, MPa-m^1/2		6.3
Fracture Toughness, MPa-m^1/2		1.0

Maximum Temperature: Mechanical, °C		1200
Maximum Temperature: Mechanical, °C		1250

Stiffness to Weight: Axial, points		50
Stiffness to Weight: Axial, points		2.2

Stiffness to Weight: Bending, points		67
Stiffness to Weight: Bending, points		24

Thermal Conductivity, W/m-K		19
Thermal Conductivity, W/m-K		1.6

Thermal Expansion, µm/m-K		3.6
Thermal Expansion, µm/m-K		2.9

SiAlON vs. Aluminum Titanate

Material Properties

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