Engineering, 22.06.2021 04:40 jasminerainn
A cylindrical rod of copper originally 16.0 mm in diameter is to be cold worked by drawing; the circular cross section will be maintained during deformation. A cold-worked yield strength in excess of 250 MPa and a ductility of at least 12% EL are desired. Furthermore, the final diameter must be 11.3 mm. Explain how this may be accomplished: (1) show why it cannotbe realized by single drawing and (2) suggest proper procedures to fulfill the requirements. You will need to use following figuresto solve the problem.
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