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Alkali-lime-silica Glass vs. Aluminum Nitride

Alkali-lime-silica glass belongs to the glass and glass-ceramics classification, while aluminum nitride belongs to the non-oxide engineering ceramics. There are 10 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is alkali-lime-silica glass and the bottom bar is aluminum nitride.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.7
2.9 to 3.3
Dielectric Strength (Breakdown Potential), kV/mm 28
15 to 56
Elastic (Young's, Tensile) Modulus, GPa 78
330
Electrical Dissipation At 1 Hz 0.022 to 0.052
0.0019
Electrical Dissipation At 1 MHz 0.0088 to 0.053
0.00020 to 0.0010
Electrical Resistivity Order of Magnitude, 10x Ω-m 10
10 to 12
Flexural Strength, MPa 34 to 170
190 to 400
Stiffness to Weight: Axial, points 16
55 to 63
Stiffness to Weight: Bending, points 53
69 to 80
Thermal Expansion, µm/m-K 9.0
4.2 to 5.4