Boron Carbide vs. Aluminum Titanate

Boron carbide 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 (11, in this case) are not shown.

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

Boron Carbide (B₄C)Aluminum Titanate (Al₂TiO₅)

Metric UnitsUS Customary Units

Material Properties

Density, g/cm³		2.1 to 2.7
Density, g/cm³		3.2

Elastic (Young's, Tensile) Modulus, GPa		240 to 460
Elastic (Young's, Tensile) Modulus, GPa		13

Flexural Strength, MPa		170 to 410
Flexural Strength, MPa		29

Fracture Toughness, MPa-m^1/2		2.5 to 3.5
Fracture Toughness, MPa-m^1/2		1.0

Maximum Temperature: Mechanical, °C		1000 to 2500
Maximum Temperature: Mechanical, °C		1250

Stiffness to Weight: Axial, points		63 to 100
Stiffness to Weight: Axial, points		2.2

Stiffness to Weight: Bending, points		91 to 100
Stiffness to Weight: Bending, points		24

Thermal Conductivity, W/m-K		31 to 90
Thermal Conductivity, W/m-K		1.6

Thermal Expansion, µm/m-K		4.5 to 5.6
Thermal Expansion, µm/m-K		2.9

Boron Carbide vs. Aluminum Titanate

Material Properties

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