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AS41B Magnesium vs. Grade 11 Titanium

AS41B magnesium belongs to the magnesium alloys classification, while grade 11 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 AS41B magnesium and the bottom bar is grade 11 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
110
Elongation at Break, % 6.0
29
Fatigue Strength, MPa 97
170
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 18
38
Shear Strength, MPa 120
200
Tensile Strength: Ultimate (UTS), MPa 210
310
Tensile Strength: Yield (Proof), MPa 140
230

Thermal Properties

Latent Heat of Fusion, J/g 370
420
Maximum Temperature: Mechanical, °C 110
320
Melting Completion (Liquidus), °C 620
1660
Melting Onset (Solidus), °C 570
1610
Specific Heat Capacity, J/kg-K 1000
540
Thermal Conductivity, W/m-K 68
22
Thermal Expansion, µm/m-K 26
9.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 92
7.3

Otherwise Unclassified Properties

Density, g/cm3 1.7
4.5
Embodied Carbon, kg CO2/kg material 23
47
Embodied Energy, MJ/kg 160
800
Embodied Water, L/kg 980
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
81
Resilience: Unit (Modulus of Resilience), kJ/m3 220
240
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 72
35
Strength to Weight: Axial, points 35
19
Strength to Weight: Bending, points 47
22
Thermal Diffusivity, mm2/s 41
8.9
Thermal Shock Resistance, points 13
22

Alloy Composition


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Aluminum (Al), % 3.5 to 5.0
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0 to 0.020
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.0035
0 to 0.2
Magnesium (Mg), % 92.7 to 95.7
0
Manganese (Mn), % 0.35 to 0.7
0
Nickel (Ni), % 0 to 0.0020
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Palladium (Pd), % 0
0.12 to 0.25
Silicon (Si), % 0.5 to 1.5
0
Titanium (Ti), % 0
98.8 to 99.88
Zinc (Zn), % 0 to 0.12
0
Residuals, % 0
0 to 0.4