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C95820 Bronze vs. Nuclear Grade Hafnium

C95820 bronze belongs to the copper alloys classification, while nuclear grade hafnium belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C95820 bronze and the bottom bar is nuclear grade hafnium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
78
Elongation at Break, % 15
25
Poisson's Ratio 0.34
0.26
Shear Modulus, GPa 44
31
Tensile Strength: Ultimate (UTS), MPa 730
350
Tensile Strength: Yield (Proof), MPa 310
170

Thermal Properties

Latent Heat of Fusion, J/g 230
130
Specific Heat Capacity, J/kg-K 440
140
Thermal Expansion, µm/m-K 17
5.9

Otherwise Unclassified Properties

Density, g/cm3 8.3
13

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
73
Resilience: Unit (Modulus of Resilience), kJ/m3 400
180
Stiffness to Weight: Axial, points 8.0
3.3
Stiffness to Weight: Bending, points 20
11
Strength to Weight: Axial, points 24
7.4
Strength to Weight: Bending, points 22
8.4
Thermal Shock Resistance, points 25
55

Alloy Composition

Aluminum (Al), % 9.0 to 10
0
Copper (Cu), % 77.5 to 82.5
0
Hafnium (Hf), % 0
99.8 to 100
Iron (Fe), % 4.0 to 5.0
0
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 4.5 to 5.8
0
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0 to 0.020
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0
0 to 0.23