Question

(a) With the same material, die angle, and reduction, central bursts may be encountered in drawing...

(a) With the same material, die angle, and reduction, central bursts may be encountered
in drawing but not in extrusion. Explain.
(b) A given material may be rolled to a higher reduction of area before fracture than
that observed in a tension test. Explain.
Engineering   Mechanical-Engineering   
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