At what value of the index of strain rate sensitivity does the material behave s

Question

At what value of the index of strain rate sensitivity does the material behave superplastically?

Options:

A . 0

B . 0.2

C . 0.4 – 0.9

D . 1.0 – 1.2

Answer: Option C
Answer: (c).0.4 – 0.9

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