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2095 Aluminum vs. EV31A Magnesium

2095 aluminum belongs to the aluminum alloys classification, while EV31A magnesium belongs to the magnesium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is 2095 aluminum and the bottom bar is EV31A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
44
Elongation at Break, % 8.5
3.5
Fatigue Strength, MPa 200
120
Fracture Toughness, MPa-m1/2 20
15
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 26
17
Shear Strength, MPa 410
170
Tensile Strength: Ultimate (UTS), MPa 700
260
Tensile Strength: Yield (Proof), MPa 610
170

Thermal Properties

Maximum Temperature: Mechanical, °C 210
200
Melting Onset (Solidus), °C 540
590
Specific Heat Capacity, J/kg-K 910
1000
Thermal Conductivity, W/m-K 130
86
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
18
Electrical Conductivity: Equal Weight (Specific), % IACS 110
90

Otherwise Unclassified Properties

Density, g/cm3 3.0
1.8

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
8.1
Resilience: Unit (Modulus of Resilience), kJ/m3 2640
330
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
65
Strength to Weight: Axial, points 65
40
Strength to Weight: Bending, points 59
50
Thermal Diffusivity, mm2/s 49
47
Thermal Shock Resistance, points 31
16