For the factors / conditions listed, select those that tend to alleviate creep deformation for a...

For the factors / conditions listed, select those that tend to alleviate creep deformation for a metal sample with a random polycrystalline microstructure.

a. Raise the service temperature that the part is exposed to.

b. Substitute the metal for one with a higher melting point.

c. Decrease the applied stress on the metal part.

d. Decrease the average grain size of the metal part.

e. Increase the grain count of the metal part (for a fixed volume).

f. Apply an insulative (non-structural) ceramic coating to the part.

g. Switch to a single crystal or textured polycrystalline microstructure.

Expert Solution

samet mamat answered 2 years ago

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