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Grade Ti-Pd18 Titanium vs. 240.0 Aluminum

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while 240.0 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade Ti-Pd18 titanium and the bottom bar is 240.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
72
Elongation at Break, % 17
1.0
Fatigue Strength, MPa 350
140
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 710
240
Tensile Strength: Yield (Proof), MPa 540
200

Thermal Properties

Latent Heat of Fusion, J/g 410
380
Maximum Temperature: Mechanical, °C 330
180
Melting Completion (Liquidus), °C 1640
600
Melting Onset (Solidus), °C 1590
520
Specific Heat Capacity, J/kg-K 550
860
Thermal Conductivity, W/m-K 8.2
96
Thermal Expansion, µm/m-K 9.1
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
23
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
65

Otherwise Unclassified Properties

Density, g/cm3 4.5
3.2
Embodied Carbon, kg CO2/kg material 41
8.7
Embodied Energy, MJ/kg 670
150
Embodied Water, L/kg 270
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
2.2
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
280
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 35
43
Strength to Weight: Axial, points 44
20
Strength to Weight: Bending, points 39
26
Thermal Diffusivity, mm2/s 3.3
35
Thermal Shock Resistance, points 52
11

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
81.7 to 86.9
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
7.0 to 9.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.5
Magnesium (Mg), % 0
5.5 to 6.5
Manganese (Mn), % 0
0.3 to 0.7
Nickel (Ni), % 0 to 0.050
0.3 to 0.7
Oxygen (O), % 0 to 0.15
0
Palladium (Pd), % 0.040 to 0.080
0
Silicon (Si), % 0
0 to 0.5
Titanium (Ti), % 92.5 to 95.5
0 to 0.2
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15