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Grade Ti-Pd18 Titanium vs. 5088 Aluminum

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while 5088 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 5088 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
68
Elongation at Break, % 17
29
Fatigue Strength, MPa 350
180
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
25
Tensile Strength: Ultimate (UTS), MPa 710
310
Tensile Strength: Yield (Proof), MPa 540
150

Thermal Properties

Latent Heat of Fusion, J/g 410
390
Maximum Temperature: Mechanical, °C 330
200
Melting Completion (Liquidus), °C 1640
640
Melting Onset (Solidus), °C 1590
540
Specific Heat Capacity, J/kg-K 550
900
Thermal Conductivity, W/m-K 8.2
120
Thermal Expansion, µm/m-K 9.1
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
29
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
98

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 41
9.0
Embodied Energy, MJ/kg 670
150
Embodied Water, L/kg 270
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
76
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 44
32
Strength to Weight: Bending, points 39
38
Thermal Diffusivity, mm2/s 3.3
51
Thermal Shock Resistance, points 52
14

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
92.4 to 94.8
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0.1 to 0.35
Magnesium (Mg), % 0
4.7 to 5.5
Manganese (Mn), % 0
0.2 to 0.5
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
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
0.2 to 0.4
Zirconium (Zr), % 0
0 to 0.15
Residuals, % 0
0 to 0.15