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Grade Ti-Pd8A Titanium vs. 7075 Aluminum

Grade Ti-Pd8A titanium belongs to the titanium alloys classification, while 7075 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade Ti-Pd8A titanium and the bottom bar is 7075 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 13
1.8 to 12
Fatigue Strength, MPa 260
110 to 190
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 500
240 to 590
Tensile Strength: Yield (Proof), MPa 430
120 to 510

Thermal Properties

Latent Heat of Fusion, J/g 420
380
Maximum Temperature: Mechanical, °C 320
200
Melting Completion (Liquidus), °C 1660
640
Melting Onset (Solidus), °C 1610
480
Specific Heat Capacity, J/kg-K 540
870
Thermal Conductivity, W/m-K 21
130
Thermal Expansion, µm/m-K 8.7
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
33
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
98

Otherwise Unclassified Properties

Density, g/cm3 4.5
3.0
Embodied Carbon, kg CO2/kg material 49
8.3
Embodied Energy, MJ/kg 840
150
Embodied Water, L/kg 520
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
7.8 to 44
Resilience: Unit (Modulus of Resilience), kJ/m3 880
110 to 1870
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
46
Strength to Weight: Axial, points 31
22 to 54
Strength to Weight: Bending, points 31
28 to 52
Thermal Diffusivity, mm2/s 8.6
50
Thermal Shock Resistance, points 39
10 to 25

Alloy Composition


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Aluminum (Al), % 0
86.9 to 91.4
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 0
1.2 to 2.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.5
Magnesium (Mg), % 0
2.1 to 2.9
Manganese (Mn), % 0
0 to 0.3
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 0.2
Zinc (Zn), % 0
5.1 to 6.1
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0 to 0.4
0 to 0.15