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Type 3 Magnetic Alloy vs. ZK51A Magnesium

Type 3 magnetic alloy belongs to the nickel alloys classification, while ZK51A magnesium belongs to the magnesium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 Type 3 magnetic alloy and the bottom bar is ZK51A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
45
Elongation at Break, % 43
4.7
Fatigue Strength, MPa 170
62
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 70
18
Shear Strength, MPa 380
160
Tensile Strength: Ultimate (UTS), MPa 550
240
Tensile Strength: Yield (Proof), MPa 210
150

Thermal Properties

Latent Heat of Fusion, J/g 290
340
Maximum Temperature: Mechanical, °C 910
120
Melting Completion (Liquidus), °C 1370
640
Melting Onset (Solidus), °C 1320
550
Specific Heat Capacity, J/kg-K 450
970
Thermal Expansion, µm/m-K 12
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
28
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
140

Otherwise Unclassified Properties

Base Metal Price, % relative 55
13
Density, g/cm3 8.7
1.8
Embodied Carbon, kg CO2/kg material 8.7
24
Embodied Energy, MJ/kg 120
160
Embodied Water, L/kg 220
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
10
Resilience: Unit (Modulus of Resilience), kJ/m3 120
260
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
64
Strength to Weight: Axial, points 18
36
Strength to Weight: Bending, points 17
47
Thermal Shock Resistance, points 18
15

Alloy Composition

Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 2.0 to 3.0
0
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 4.0 to 6.0
0 to 0.1
Iron (Fe), % 9.9 to 19
0
Magnesium (Mg), % 0
93.1 to 95.9
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 75 to 78
0 to 0.010
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.020
0
Zinc (Zn), % 0
3.6 to 5.5
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3