GATE MT 2012 Q54. Statement for Linked Answer Questions 54 and 55: The strain hardening behaviour of an annealed rod during cold rolling is given by σ= 700 ε^0.2 MPa, where σ is the flow stress at strain ε. Q.54 Flow stress after 50% reduction in area of the annealed rod on cold rolling is approximately

GATE MT 2012 Q54. Statement for Linked Answer Questions 54 and 55: The strain hardening behaviour of an annealed rod during cold rolling is given by σ= 700 ε^0.2 MPa, where σ is the flow stress at strain ε. Q.54 Flow stress after 50% reduction in area of the annealed rod on cold rolling is approximately