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Grade Ti-Pd18 Titanium vs. 712.0 Aluminum

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while 712.0 aluminum belongs to the aluminum alloys. There are 29 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 712.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
75 to 90
Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 17
4.5 to 4.7
Fatigue Strength, MPa 350
140 to 180
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 710
250 to 260
Tensile Strength: Yield (Proof), MPa 540
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 410
380
Maximum Temperature: Mechanical, °C 330
190
Melting Completion (Liquidus), °C 1640
640
Melting Onset (Solidus), °C 1590
610
Specific Heat Capacity, J/kg-K 550
870
Thermal Conductivity, W/m-K 8.2
160
Thermal Expansion, µm/m-K 9.1
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
40
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
120

Otherwise Unclassified Properties

Density, g/cm3 4.5
3.0
Embodied Carbon, kg CO2/kg material 41
8.0
Embodied Energy, MJ/kg 670
150
Embodied Water, L/kg 270
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
11
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
240 to 270
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
46
Strength to Weight: Axial, points 44
24 to 25
Strength to Weight: Bending, points 39
30 to 31
Thermal Diffusivity, mm2/s 3.3
62
Thermal Shock Resistance, points 52
11

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
90.7 to 94
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.5
Magnesium (Mg), % 0
0.5 to 0.65
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 0.3
Titanium (Ti), % 92.5 to 95.5
0.15 to 0.25
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
5.0 to 6.5
Residuals, % 0
0 to 0.2