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3105 Aluminum vs. Grade 364 Molybdenum

3105 aluminum belongs to the aluminum alloys classification, while grade 364 molybdenum belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 3105 aluminum and the bottom bar is grade 364 molybdenum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
310
Elongation at Break, % 1.1 to 20
6.2 to 11
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
120
Tensile Strength: Ultimate (UTS), MPa 120 to 240
580 to 720
Tensile Strength: Yield (Proof), MPa 46 to 220
350 to 620

Thermal Properties

Latent Heat of Fusion, J/g 400
370
Specific Heat Capacity, J/kg-K 900
250
Thermal Expansion, µm/m-K 24
7.0

Otherwise Unclassified Properties

Density, g/cm3 2.8
10
Embodied Carbon, kg CO2/kg material 8.2
28
Embodied Energy, MJ/kg 150
330
Embodied Water, L/kg 1180
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 19
43 to 57
Resilience: Unit (Modulus of Resilience), kJ/m3 15 to 340
200 to 630
Stiffness to Weight: Axial, points 14
17
Stiffness to Weight: Bending, points 50
22
Strength to Weight: Axial, points 12 to 24
16 to 20
Strength to Weight: Bending, points 20 to 31
15 to 17
Thermal Shock Resistance, points 5.2 to 11
19 to 24

Alloy Composition

Aluminum (Al), % 96 to 99.5
0
Carbon (C), % 0
0.010 to 0.040
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 0 to 0.7
0 to 0.010
Magnesium (Mg), % 0.2 to 0.8
0
Manganese (Mn), % 0.3 to 0.8
0
Molybdenum (Mo), % 0
99.2 to 99.5
Nickel (Ni), % 0
0 to 0.0050
Nitrogen (N), % 0
0 to 0.0020
Oxygen (O), % 0
0 to 0.030
Silicon (Si), % 0 to 0.6
0 to 0.0050
Titanium (Ti), % 0 to 0.1
0.4 to 0.55
Zinc (Zn), % 0 to 0.4
0
Zirconium (Zr), % 0
0.060 to 0.12
Residuals, % 0 to 0.15
0