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Grade Ti-Pd8A Titanium vs. 7049A Aluminum

Grade Ti-Pd8A titanium belongs to the titanium alloys classification, while 7049A aluminum belongs to the aluminum 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.

For each property being compared, the top bar is grade Ti-Pd8A titanium and the bottom bar is 7049A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 13
5.0 to 5.7
Fatigue Strength, MPa 260
180
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 500
580 to 590
Tensile Strength: Yield (Proof), MPa 430
500 to 530

Thermal Properties

Latent Heat of Fusion, J/g 420
370
Maximum Temperature: Mechanical, °C 320
200
Melting Completion (Liquidus), °C 1660
640
Melting Onset (Solidus), °C 1610
430
Specific Heat Capacity, J/kg-K 540
850
Thermal Conductivity, W/m-K 21
130
Thermal Expansion, µm/m-K 8.7
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
40
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
120

Otherwise Unclassified Properties

Density, g/cm3 4.5
3.1
Embodied Carbon, kg CO2/kg material 49
8.2
Embodied Energy, MJ/kg 840
150
Embodied Water, L/kg 520
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
28 to 32
Resilience: Unit (Modulus of Resilience), kJ/m3 880
1800 to 1990
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
44
Strength to Weight: Axial, points 31
52 to 53
Strength to Weight: Bending, points 31
50 to 51
Thermal Diffusivity, mm2/s 8.6
50
Thermal Shock Resistance, points 39
25

Alloy Composition


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Aluminum (Al), % 0
84.6 to 89.5
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 0
0.050 to 0.25
Copper (Cu), % 0
1.2 to 1.9
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.5
Magnesium (Mg), % 0
2.1 to 3.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.050
0
Oxygen (O), % 0 to 0.4
0
Palladium (Pd), % 0.12 to 0.3
0
Silicon (Si), % 0
0 to 0.4
Titanium (Ti), % 98.8 to 99.9
0 to 0.25
Zinc (Zn), % 0
7.2 to 8.4
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0 to 0.4
0 to 0.15