The strain hardening behaviour of an annealed rod during cold rolling is given by σ = 700 $${\left( \in \right)^{0.2}}$$ MPa. where σ is the flow stress at strain $$ \in $$.
Flow stress after 50% reduction in area of the annealed rod on cold rolling is approximately
A. 750 MPa
B. 650 MPa
C. 609 MPa
D. 559 MPa
Answer: Option B
This Question Belongs to Metallurgical Engineering >> Mechanical Metallurgy
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