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Magnesium Titanate (IEC 60672 Type C-320)

Magnesium titanate is an oxide-based engineering ceramic. It has a moderately high heat capacity among oxide-based engineering ceramics. In addition, it has a moderately high density and a moderately high thermal conductivity.

The graph bars on the material properties cards below compare magnesium 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

Specific Heat Capacity

950 J/kg-K 0.23 BTU/lb-°F

Thermal Conductivity

3.8 W/m-K 2.2 BTU/h-ft-°F

Thermal Expansion

8.0 µm/m-K

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz

26

Dielectric Strength (Breakdown Potential)

9.1 kV/mm 0.36 V/mil

Electrical Dissipation At 1 Hz

0.0017

Electrical Dissipation At 1 MHz

0.0013

Electrical Resistivity Order of Magnitude

9.0 10x Ω-m

Other Material Properties

Density

3.5 g/cm3 220 lb/ft3

Flexural Strength

80 MPa 12 x 103 psi

Common Calculations

Thermal Diffusivity

1.1 m2/s

Followup Questions

Further Reading

IEC 60672-3: Ceramic and glass-insulating materials - Part 3: Specifications for individual materials

Springer Handbook of Condensed Matter and Materials Data, W. Martienssen and H. Warlimont (editors), 2005