Application that requires a yield strength

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Reference no: EM13948001

1. It is necessary to select a metal alloy for an application that requires a yield strength of at least 310 MPa (45,000 psi) while main- taining a minimum ductility (%EL) of 27%. If the metal may be cold worked, decide which of the following are candidates: cop- per, brass, and a 1040 steel. Why?

2. A cylindrical rod of 1040 steel originally 11.4 mm (0.45 in.) in diameter is to be cold worked by drawing; the circular cross section will be maintained during deformation. A cold-worked tensile strength in excess of 825 MPa (120,000 psi) and a ductility of at least 12%EL are desired. Furthermore, the final diameter must be 8.9 mm (0.35 in.). Explain how this may be accomplished.

Reference no: EM13948001

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