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Titanium 6-7 vs. 8079 Aluminum

Titanium 6-7 belongs to the titanium alloys classification, while 8079 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is 8079 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
69
Elongation at Break, % 11
2.2
Fatigue Strength, MPa 530
56
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
26
Tensile Strength: Ultimate (UTS), MPa 1020
150
Tensile Strength: Yield (Proof), MPa 900
120

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 300
170
Melting Completion (Liquidus), °C 1700
650
Melting Onset (Solidus), °C 1650
640
Specific Heat Capacity, J/kg-K 520
900
Thermal Expansion, µm/m-K 9.3
23

Otherwise Unclassified Properties

Base Metal Price, % relative 75
9.0
Density, g/cm3 5.1
2.8
Embodied Carbon, kg CO2/kg material 34
8.2
Embodied Energy, MJ/kg 540
150
Embodied Water, L/kg 190
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
3.1
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 32
50
Strength to Weight: Axial, points 56
15
Strength to Weight: Bending, points 44
22
Thermal Shock Resistance, points 66
6.4

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
98.1 to 99.3
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
0 to 0.050
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
0.7 to 1.3
Molybdenum (Mo), % 6.5 to 7.5
0
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Silicon (Si), % 0
0.050 to 0.3
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15