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ISO-WD43150 Magnesium vs. Commercially Pure Zirconium

ISO-WD43150 magnesium belongs to the magnesium alloys classification, while commercially pure zirconium belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (9, 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 ISO-WD43150 magnesium and the bottom bar is commercially pure zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
98
Elongation at Break, % 2.8
18
Fatigue Strength, MPa 100
60
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 18
36
Tensile Strength: Ultimate (UTS), MPa 250
430
Tensile Strength: Yield (Proof), MPa 150
240

Thermal Properties

Latent Heat of Fusion, J/g 350
250
Specific Heat Capacity, J/kg-K 990
270
Thermal Conductivity, W/m-K 140
22
Thermal Expansion, µm/m-K 27
5.5

Otherwise Unclassified Properties

Density, g/cm3 1.7
6.7
Embodied Water, L/kg 970
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
65
Resilience: Unit (Modulus of Resilience), kJ/m3 250
290
Stiffness to Weight: Axial, points 15
8.1
Stiffness to Weight: Bending, points 71
23
Strength to Weight: Axial, points 41
18
Strength to Weight: Bending, points 52
19
Thermal Diffusivity, mm2/s 81
12
Thermal Shock Resistance, points 14
56

Alloy Composition


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Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 0 to 0.050
0
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0
0 to 0.2
Magnesium (Mg), % 97.5 to 98.8
0
Manganese (Mn), % 1.2 to 2.0
0
Nickel (Ni), % 0 to 0.010
0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.16
Silicon (Si), % 0 to 0.1
0
Zirconium (Zr), % 0
94.7 to 100
Residuals, % 0 to 0.3
0