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Low-oxygen Zirconium vs. ZC63A Magnesium

Low-oxygen zirconium belongs to the otherwise unclassified metals classification, while ZC63A magnesium belongs to the magnesium alloys. 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 low-oxygen zirconium and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
48
Elongation at Break, % 23
3.3
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 37
19
Tensile Strength: Ultimate (UTS), MPa 330
220
Tensile Strength: Yield (Proof), MPa 270
130

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Specific Heat Capacity, J/kg-K 270
950
Thermal Conductivity, W/m-K 22
120
Thermal Expansion, µm/m-K 5.7
26

Otherwise Unclassified Properties

Density, g/cm3 6.7
2.1
Embodied Water, L/kg 450
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 370
190
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 23
58
Strength to Weight: Axial, points 14
29
Strength to Weight: Bending, points 16
38
Thermal Diffusivity, mm2/s 12
58
Thermal Shock Resistance, points 42
12

Alloy Composition

Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0
2.4 to 3.0
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0
0.25 to 0.75
Nickel (Ni), % 0
0 to 0.010
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.1
0
Silicon (Si), % 0
0 to 0.2
Zinc (Zn), % 0
5.5 to 6.5
Zirconium (Zr), % 94.7 to 100
0
Residuals, % 0
0 to 0.3