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R05400 Tantalum vs. ZC63A Magnesium

R05400 tantalum 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 R05400 tantalum and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
48
Elongation at Break, % 1.1 to 28
3.3
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 69
19
Tensile Strength: Ultimate (UTS), MPa 210 to 540
220
Tensile Strength: Yield (Proof), MPa 140 to 390
130

Thermal Properties

Latent Heat of Fusion, J/g 140
330
Specific Heat Capacity, J/kg-K 140
950
Thermal Conductivity, W/m-K 59
120
Thermal Expansion, µm/m-K 6.5
26

Otherwise Unclassified Properties

Density, g/cm3 17
2.1
Embodied Water, L/kg 650
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5 to 53
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 420
190
Stiffness to Weight: Axial, points 6.2
13
Stiffness to Weight: Bending, points 11
58
Strength to Weight: Axial, points 3.6 to 9.0
29
Strength to Weight: Bending, points 4.8 to 8.8
38
Thermal Diffusivity, mm2/s 25
58
Thermal Shock Resistance, points 13 to 32
12

Alloy Composition

Carbon (C), % 0 to 0.010
0
Copper (Cu), % 0
2.4 to 3.0
Hydrogen (H), % 0 to 0.0015
0
Iron (Fe), % 0 to 0.010
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0
0.25 to 0.75
Molybdenum (Mo), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.010
0 to 0.010
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.010
0
Oxygen (O), % 0 to 0.030
0
Silicon (Si), % 0 to 0.0050
0 to 0.2
Tantalum (Ta), % 99.7 to 100
0
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 0 to 0.050
0
Zinc (Zn), % 0
5.5 to 6.5
Residuals, % 0
0 to 0.3