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2024 Aluminum vs. GM-120 Glass Ceramic

2024 aluminum and GM-120 glass ceramic belong to fundamentally different material chemistries. 2024 aluminum is a metal, while GM-120 glass ceramic is a ceramic material. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 6 material properties with values for both materials. Properties with values for just one material (29, in this case) are not shown.

For each property being compared, the top bar is 2024 aluminum and the bottom bar is GM-120 glass ceramic.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 3.0
2.5
Elastic (Young's, Tensile) Modulus, GPa 71
56
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
52
Thermal Conductivity, W/m-K 120
3.0
Thermal Expansion, µm/m-K 23
9.5