A cylindrical rod of brass of 20 mm in diameter is cold worked by drawing. The circular cross section will be maintained during deformation. A cold-worked tensile strength in excess of 300 MPa and a ductility of at least 10% EL are desired. Furthermore, the final diameter must be 14mm. Explain how this may be achieved.

To meet all of the criteria raised by the question, we must first draw a wire with a diameter of 8.46 mm and then 21.5 percent CW on it.

Explanation:

answer:

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