Q70
The strain hardening behaviour of an annealed rod during cold rolling is given by σ = 700 ( )^0.2 MPa. where σ is the flow stress at strain . Flow stress after 50% reduction in area of the annealed rod on cold rolling is approximately
The strain hardening behaviour of an annealed rod during cold rolling is given by σ = 700 MPa. where σ is the flow stress at strain .
Flow stress after 50% reduction in area of the annealed rod on cold rolling is approximately
Flow stress after 50% reduction in area of the annealed rod on cold rolling is approximately
A.
750 MPa
B.
650 MPa
AnswerC.
609 MPa
D.
559 MPa
Answer: Option B
Solution
Answer: Option B
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