A cylindrical rod 380 mm (15.0 in.) long and having a diameter of 10.0 mm (0.40 in.) is to be subjected to a tensile load. If the rod is to experience neither plastic deformation nor an elongation of more than 0.9 mm (0.035 in.) when the applied load is 24,500 N (5500 lbf), which of the four metals or alloys listed in the following table are possible candidates? Justify your choice(s).
Material | Modulus of Elasticity (GPa) | Yield Strength (MPa) | Tensile Strength (MPa) |
Aluminum alloy | 70 | 255 | 420 |
Brass alloy | 100 | 345 | 420 |
Copper | 110 | 250 | 290 |
Steel alloy | 207 | 450 | 550 |
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