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Beryllia vs. Baria-alkali-silica Glass

Beryllia belongs to the oxide-based engineering ceramics classification, while baria-alkali-silica glass belongs to the glass and glass-ceramics. There are 8 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is beryllia and the bottom bar is baria-alkali-silica glass.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.9
3.0
Elastic (Young's, Tensile) Modulus, GPa 350
80
Electrical Dissipation At 1 MHz 0.00060
0.0022
Electrical Resistivity Order of Magnitude, 10x Ω-m 13
12
Flexural Strength, MPa 240
34
Stiffness to Weight: Axial, points 67
15
Stiffness to Weight: Bending, points 82
48
Thermal Expansion, µm/m-K 8.0
9.5