Aluminum Titanate (Al2TiO5)
Aluminum titanate is an oxide-based engineering ceramic. It has the lowest fracture toughness and a fairly low thermal conductivity among oxide-based engineering ceramics. The graph bars on the material properties cards below compare aluminum titanate to other oxide-based engineering ceramics (top) and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.
Thermal Properties
Maximum Temperature: Mechanical
1250 °C 2280 °F
Thermal Conductivity
1.6 W/m-K 0.94 BTU/h-ft-°F
Thermal Expansion
2.9 µm/m-K
Other Material Properties
Density
3.2 g/cm3 200 lb/ft3
Elastic (Young's, Tensile) Modulus
13 GPa 1.8 x 106 psi
Flexural Strength
29 MPa 4.2 x 103 psi
Fracture Toughness
1.0 MPa-m1/2 0.91 x 103 psi-in1/2
Common Calculations
Stiffness to Weight: Axial
2.2 points
Stiffness to Weight: Bending
24 points
Followup Questions
Further Reading
Springer Handbook of Condensed Matter and Materials Data, W. Martienssen and H. Warlimont (editors), 2005