MakeItFrom.com
Menu (ESC)

Class 2 Tungsten vs. Reactor Grade Zirconium

Both class 2 tungsten and reactor grade zirconium are otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is class 2 tungsten and the bottom bar is reactor grade zirconium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 260
98
Elongation at Break, % 5.7
21
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 100
37
Tensile Strength: Ultimate (UTS), MPa 860
330
Tensile Strength: Yield (Proof), MPa 580
160

Thermal Properties

Latent Heat of Fusion, J/g 160
250
Specific Heat Capacity, J/kg-K 120
270
Thermal Conductivity, W/m-K 20
22
Thermal Expansion, µm/m-K 4.6
5.9

Otherwise Unclassified Properties

Density, g/cm3 15
6.5
Embodied Water, L/kg 140
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
56
Resilience: Unit (Modulus of Resilience), kJ/m3 640
130
Stiffness to Weight: Axial, points 9.6
8.4
Stiffness to Weight: Bending, points 14
24
Strength to Weight: Axial, points 16
14
Strength to Weight: Bending, points 13
16
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 52
41

Alloy Composition

Tungsten (W), % 92.5
0
Zirconium (Zr), % 0
99.7 to 100
Residuals, % 0
0 to 0.27