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Grade Ti-Pd8A Titanium vs. 4015 Aluminum

Grade Ti-Pd8A titanium belongs to the titanium alloys classification, while 4015 aluminum belongs to the aluminum alloys. There are 29 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-Pd8A titanium and the bottom bar is 4015 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
35 to 70
Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 13
1.1 to 23
Fatigue Strength, MPa 260
46 to 71
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 500
130 to 220
Tensile Strength: Yield (Proof), MPa 430
50 to 200

Thermal Properties

Latent Heat of Fusion, J/g 420
420
Maximum Temperature: Mechanical, °C 320
160
Melting Completion (Liquidus), °C 1660
640
Melting Onset (Solidus), °C 1610
600
Specific Heat Capacity, J/kg-K 540
900
Thermal Conductivity, W/m-K 21
160
Thermal Expansion, µm/m-K 8.7
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
41
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
130

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 49
8.1
Embodied Energy, MJ/kg 840
150
Embodied Water, L/kg 520
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
2.4 to 24
Resilience: Unit (Modulus of Resilience), kJ/m3 880
18 to 290
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 31
13 to 22
Strength to Weight: Bending, points 31
21 to 30
Thermal Diffusivity, mm2/s 8.6
66
Thermal Shock Resistance, points 39
5.7 to 9.7

Alloy Composition

Aluminum (Al), % 0
94.9 to 97.9
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.7
Magnesium (Mg), % 0
0.1 to 0.5
Manganese (Mn), % 0
0.6 to 1.2
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
1.4 to 2.2
Titanium (Ti), % 98.8 to 99.9
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0 to 0.4
0 to 0.15