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Magnesium Titanate vs. Machinable Glass-ceramic

Magnesium titanate belongs to the oxide-based engineering ceramics classification, while machinable glass-ceramic belongs to the glass and glass-ceramics. There are 11 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 magnesium titanate and the bottom bar is machinable glass-ceramic.

Metric UnitsUS Customary Units

Mechanical Properties

Flexural Strength, MPa 80
96

Thermal Properties

Specific Heat Capacity, J/kg-K 950
790
Thermal Conductivity, W/m-K 3.8
1.2
Thermal Expansion, µm/m-K 8.0
21

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 26
6.0
Dielectric Strength (Breakdown Potential), kV/mm 9.1
27
Electrical Dissipation At 1 Hz 0.0017
0.0049
Electrical Dissipation At 1 MHz 0.0013
0.0050
Electrical Resistivity Order of Magnitude, 10x Ω-m 9.0
14

Otherwise Unclassified Properties

Density, g/cm3 3.5
2.7

Common Calculations

Thermal Diffusivity, mm2/s 1.1
0.56