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ASTM B540 Palladium vs. AZ92A Magnesium

ASTM B540 palladium belongs to the otherwise unclassified metals classification, while AZ92A magnesium belongs to the magnesium alloys. There are 23 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 ASTM B540 palladium and the bottom bar is AZ92A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
47
Elongation at Break, % 1.1 to 14
2.1 to 6.8
Fatigue Strength, MPa 350
76 to 90
Poisson's Ratio 0.38
0.29
Shear Modulus, GPa 39
18
Shear Strength, MPa 500 to 700
97 to 160
Tensile Strength: Ultimate (UTS), MPa 830 to 1240
170 to 270
Tensile Strength: Yield (Proof), MPa 620 to 1000
83 to 140

Thermal Properties

Latent Heat of Fusion, J/g 140
350
Melting Completion (Liquidus), °C 1220
590
Melting Onset (Solidus), °C 1020
440
Specific Heat Capacity, J/kg-K 240
980
Thermal Expansion, µm/m-K 14
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.9 to 5.5
11 to 12
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5 to 3.9
53 to 62

Otherwise Unclassified Properties

Density, g/cm3 13
1.8

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
4.0 to 14
Resilience: Unit (Modulus of Resilience), kJ/m3 1790 to 4660
73 to 220
Stiffness to Weight: Axial, points 4.7
14
Stiffness to Weight: Bending, points 12
67
Strength to Weight: Axial, points 18 to 27
26 to 41
Strength to Weight: Bending, points 15 to 20
38 to 51
Thermal Shock Resistance, points 41 to 61
10 to 16

Alloy Composition

Aluminum (Al), % 0
8.3 to 9.7
Copper (Cu), % 13.5 to 14.5
0 to 0.25
Gold (Au), % 9.5 to 10.5
0
Magnesium (Mg), % 0
86.7 to 90
Manganese (Mn), % 0
0.1 to 0.35
Nickel (Ni), % 0
0 to 0.010
Palladium (Pd), % 34 to 36
0
Platinum (Pt), % 9.5 to 10.5
0
Silicon (Si), % 0
0 to 0.3
Silver (Ag), % 29 to 31
0
Zinc (Zn), % 0.8 to 1.2
1.6 to 2.4
Residuals, % 0
0 to 0.3