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AZ91A Magnesium vs. N07041 Nickel

AZ91A magnesium belongs to the magnesium alloys classification, while N07041 nickel belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (14, 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 AZ91A magnesium and the bottom bar is N07041 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 46
220
Elongation at Break, % 5.0
14
Fatigue Strength, MPa 99
540
Shear Strength, MPa 140
850
Tensile Strength: Ultimate (UTS), MPa 240
1400
Tensile Strength: Yield (Proof), MPa 160
1050

Thermal Properties

Melting Onset (Solidus), °C 470
1320
Specific Heat Capacity, J/kg-K 990
450
Thermal Conductivity, W/m-K 73
11
Thermal Expansion, µm/m-K 26
12

Otherwise Unclassified Properties

Density, g/cm3 1.7
8.2

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
180
Resilience: Unit (Modulus of Resilience), kJ/m3 280
2510
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 69
25
Strength to Weight: Axial, points 38
47
Strength to Weight: Bending, points 49
34
Thermal Diffusivity, mm2/s 42
3.0
Thermal Shock Resistance, points 14
38