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Metallurgical Engineering · Q61

Mechanical Metallurgy

Engineering and GATE · Metallurgical Engineering · question 61

Q61

The flow stress (σ) of an alloy varies with strain rate ( ) as σ = 100 ( )^0.1 MPa. When the alloy is hot extruded from 10cm diameter to 5 cm diameter at a speed of 2 cm/s, the flow stress is

The flow stress (σ) of an alloy varies with strain rate as σ = 100 MPa. When the alloy is hot extruded from 10cm diameter to 5 cm diameter at a speed of 2 cm/s, the flow stress is
A.
1000 MPa
B.
105 MPa
Answer
C.
150 MPa
D.
1050 MPs

Answer: Option B

Solution

Answer: Option B
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