Question

In hot working, dynamic recovery occurs in

a.

metals of low stacking fault energy.

b.

metals of high stacking fault energy e.g. α-iron.

c.

single crystal of Ni-based superalloys.

d.

none of these.

Answer: (b).metals of high stacking fault energy e.g. α-iron.

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Q. In hot working, dynamic recovery occurs in

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