Choose a Metal Alloy

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Three types of metal alloys can be considered for this application -

Zinc ZA8

Aluminum wpe143.jpg (2159 bytes)

Aluminum A380
  Target Zinc ZA8 Aluminum
Thermalcast 130		 Aluminum A380
Density (#/in^3) <0.10 0.24 0.095 0.096
Thermal Conductivity (W/mK) >120 115 130 96
Ultimate Tensile Strength (ksi) >40 54 46 47
Tensile Yield Strength (ksi) >20 42 24 23
Ductility (% Elongation) >3% 6-10% 4% 4%
Elastic Modulus (MSI) >10 10.2 10.3 10.3

Choose an alloy (Zinc ZA8, Aluminum-Thermalcast ®130, Aluminum A380) for the fan housing, based on density, thermal conductivity, strength, ductility, and modulus as shown above.
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Choose an Alloy
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