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Grade Ti-Pd18 Titanium vs. 705.0 Aluminum

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while 705.0 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-Pd18 titanium and the bottom bar is 705.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
62 to 65
Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 17
8.4 to 10
Fatigue Strength, MPa 350
63 to 98
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 710
240 to 260
Tensile Strength: Yield (Proof), MPa 540
130

Thermal Properties

Latent Heat of Fusion, J/g 410
390
Maximum Temperature: Mechanical, °C 330
180
Melting Completion (Liquidus), °C 1640
640
Melting Onset (Solidus), °C 1590
610
Specific Heat Capacity, J/kg-K 550
890
Thermal Conductivity, W/m-K 8.2
140
Thermal Expansion, µm/m-K 9.1
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
34
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
110

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.8
Embodied Carbon, kg CO2/kg material 41
8.4
Embodied Energy, MJ/kg 670
150
Embodied Water, L/kg 270
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
18 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
120 to 130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
49
Strength to Weight: Axial, points 44
24 to 26
Strength to Weight: Bending, points 39
31 to 32
Thermal Diffusivity, mm2/s 3.3
55
Thermal Shock Resistance, points 52
11

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
92.3 to 98.6
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 0
0 to 0.4
Copper (Cu), % 0
0 to 0.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.8
Magnesium (Mg), % 0
1.4 to 1.8
Manganese (Mn), % 0
0 to 0.6
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 0.25
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
0 to 3.3
Residuals, % 0
0 to 0.15