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Zamak 5 vs. Type 4 Niobium

Zamak 5 belongs to the zinc alloys classification, while Type 4 niobium belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is Zamak 5 and the bottom bar is Type 4 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 92
120
Elastic (Young's, Tensile) Modulus, GPa 87
110
Elongation at Break, % 6.3
23
Poisson's Ratio 0.25
0.4
Shear Modulus, GPa 33
38
Tensile Strength: Ultimate (UTS), MPa 330
220
Tensile Strength: Yield (Proof), MPa 240
140

Thermal Properties

Latent Heat of Fusion, J/g 120
310
Specific Heat Capacity, J/kg-K 410
270
Thermal Conductivity, W/m-K 110
42
Thermal Expansion, µm/m-K 27
7.3

Otherwise Unclassified Properties

Density, g/cm3 6.4
8.6
Embodied Water, L/kg 380
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
44
Resilience: Unit (Modulus of Resilience), kJ/m3 330
93
Stiffness to Weight: Axial, points 7.5
6.8
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 14
7.2
Strength to Weight: Bending, points 16
9.5
Thermal Diffusivity, mm2/s 42
18
Thermal Shock Resistance, points 9.9
21

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.010
Copper (Cu), % 0.7 to 1.3
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 0 to 0.1
0 to 0.010
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.025 to 0.080
0
Molybdenum (Mo), % 0
0 to 0.050
Nickel (Ni), % 0 to 0.020
0 to 0.0050
Niobium (Nb), % 0
98.1 to 99.2
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.025
Silicon (Si), % 0 to 0.030
0 to 0.0050
Tantalum (Ta), % 0
0 to 0.5
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 0
0 to 0.050
Zinc (Zn), % 94.3 to 95.7
0
Zirconium (Zr), % 0
0.8 to 1.2