A cylindrical rod with a radius of 0.3 in. and a length of 15 in. is subjected to a tensile load. If the rod is to experience neither plastic deformation nor an elongation of more than 0.018 in. when the applied load is 7,000 lb, which of the four metals or alloys listed below are possible candidates? Justify your choice(s).
Extracted text: E (ksi) Yield Strength (ksi) Tensile Strength (ksi) Material Steel alloy 1 Steel alloy 2 125 26,000 73 29,000 58 Titanium alloy 36 106 131 32 16,000 Copper 17,000 10