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EV31A Magnesium vs. Commercially Pure Zirconium

EV31A magnesium belongs to the magnesium alloys classification, while commercially pure zirconium belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (10, 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 EV31A magnesium and the bottom bar is commercially pure zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
98
Elongation at Break, % 3.5
18
Fatigue Strength, MPa 120
60
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 17
36
Tensile Strength: Ultimate (UTS), MPa 260
430
Tensile Strength: Yield (Proof), MPa 170
240

Thermal Properties

Specific Heat Capacity, J/kg-K 1000
270
Thermal Conductivity, W/m-K 86
22
Thermal Expansion, µm/m-K 27
5.5

Otherwise Unclassified Properties

Density, g/cm3 1.8
6.7

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1
65
Resilience: Unit (Modulus of Resilience), kJ/m3 330
290
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 65
23
Strength to Weight: Axial, points 40
18
Strength to Weight: Bending, points 50
19
Thermal Diffusivity, mm2/s 47
12
Thermal Shock Resistance, points 16
56