Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Engineering Posted 14 May 2018 My Price 5.00

minimum ductility

7.D4 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?

 

7.D5  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.

 

Answers

Maurice Tutor
(5)
Status NEW Posted 14 May 2018 01:05 PM My Price 5.00

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