Calculate the applicable flow stress

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Reference no: EM131415008

A screw thread is cold rolled on a 1015 low-carbon steel bolt of 6.25 mm diameter.

Observation shows that the length of the contact zone between die and screw blank is L= 1.25 mm. The average strain hardening during rolling corresponds to a strain ofe= 0.4.

Calculate:

(a) the applicable flow stress, and

(b) the average interface pressure in the contact zone.

Determine:

Reference no: EM131415008

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