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Gallium Arsenide vs. Lead-alkali-silica Glass

Gallium arsenide belongs to the non-glass optical ceramics classification, while lead-alkali-silica glass belongs to the glass and glass-ceramics. There are 5 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 gallium arsenide and the bottom bar is lead-alkali-silica glass.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 5.3
3.1
Elastic (Young's, Tensile) Modulus, GPa 85
67
Stiffness to Weight: Axial, points 8.9
12
Stiffness to Weight: Bending, points 28
43
Thermal Expansion, µm/m-K 5.6
9.0