GATE 2023 II Metal forming II Quiz 64
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1) Plastic deformation occurs.
2) It is followed if applied stress is more than the yield stress.
Which of the following statements is/are NOT correct _________?
A block made of perfectly plastic material with a yield stress of 260 MPa in simple tension has the diameter 200 mm × 100 mm × 150 mm (b × h × w) at one instant during plane strain forging. Assuming there is sticking friction, the peak pressure will be
1) More uniform flow patterns.
2) High residual stress.
3) enhance the tool life.
Which of the following are the characteristics of the isothermal forming _________?
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