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Grade Ti-Pd18 Titanium vs. 8090 Aluminum

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while 8090 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-Pd18 titanium and the bottom bar is 8090 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
67
Elongation at Break, % 17
3.5 to 13
Fatigue Strength, MPa 350
91 to 140
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
25
Tensile Strength: Ultimate (UTS), MPa 710
340 to 490
Tensile Strength: Yield (Proof), MPa 540
210 to 420

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 330
190
Melting Completion (Liquidus), °C 1640
660
Melting Onset (Solidus), °C 1590
600
Specific Heat Capacity, J/kg-K 550
960
Thermal Conductivity, W/m-K 8.2
95 to 160
Thermal Expansion, µm/m-K 9.1
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
20
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
66

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 41
8.6
Embodied Energy, MJ/kg 670
170
Embodied Water, L/kg 270
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
16 to 41
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
340 to 1330
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 44
34 to 49
Strength to Weight: Bending, points 39
39 to 50
Thermal Diffusivity, mm2/s 3.3
36 to 60
Thermal Shock Resistance, points 52
15 to 22

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
93 to 98.4
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0
1.0 to 1.6
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.3
Lithium (Li), % 0
2.2 to 2.7
Magnesium (Mg), % 0
0.6 to 1.3
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.050
0
Oxygen (O), % 0 to 0.15
0
Palladium (Pd), % 0.040 to 0.080
0
Silicon (Si), % 0
0 to 0.2
Titanium (Ti), % 92.5 to 95.5
0 to 0.1
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0
0.040 to 0.16
Residuals, % 0
0 to 0.15