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Machinable Glass-ceramic vs. Magnesium Titanate

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

Metric UnitsUS Customary Units

Mechanical Properties

Flexural Strength, MPa 96
80

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 2.7
3.5

Common Calculations

Thermal Diffusivity, mm2/s 0.56
1.1