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Grade Ti-Pd18 Titanium vs. Reactor Grade Zirconium

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while reactor grade zirconium belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
98
Elongation at Break, % 17
21
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
37
Tensile Strength: Ultimate (UTS), MPa 710
330
Tensile Strength: Yield (Proof), MPa 540
160

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Specific Heat Capacity, J/kg-K 550
270
Thermal Conductivity, W/m-K 8.2
22
Thermal Expansion, µm/m-K 9.1
5.9

Otherwise Unclassified Properties

Density, g/cm3 4.5
6.5
Embodied Water, L/kg 270
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
56
Resilience: Unit (Modulus of Resilience), kJ/m3 1380
130
Stiffness to Weight: Axial, points 13
8.4
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 44
14
Strength to Weight: Bending, points 39
16
Thermal Diffusivity, mm2/s 3.3
13
Thermal Shock Resistance, points 52
41

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.1
0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0
Nickel (Ni), % 0 to 0.050
0
Oxygen (O), % 0 to 0.15
0
Palladium (Pd), % 0.040 to 0.080
0
Titanium (Ti), % 92.5 to 95.5
0
Vanadium (V), % 2.0 to 3.0
0
Zirconium (Zr), % 0
99.7 to 100
Residuals, % 0
0 to 0.27