GATE MT 2011 Q47. What is the ideal extrusion pressure if the effective flow stress in compression is 250 MPa?
GATE MT 2011 Q47. What is the ideal extrusion pressure if the effective flow stress in compression is 250 MPa?
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Correct answer is option A. P= kA0Ln(A0/Af) P= 250 ln16 = 693.15 MPa
Correct answer is option A.
P= kA0Ln(A0/Af)
P= 250 ln16 = 693.15 MPa
Option A Pressure = stress * ln(A1/A2)
Option A
Pressure = stress * ln(A1/A2)
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