Question 8 7 pts For the factors/conditions listed, select those that tend to al

Question

Question 8 7 pts For the factors/conditions listed, select those that tend to alleviate creep deformation for a metal sample with a random polycrystalline microstructure. Raise the service temperature that the part is exposed to Substitute the metal for one with a higher melting point Decrease the applied stress on the metal part. Decrease the average grain size of the metal part. Increase the grain count of the metal part (for a fixed volume) Apply an insulative (non-structural) ceramic coating to the part. Switch to a single crystal or textured polycrystalline microstructure. O

Explanation / Answer

Raise the service temperature that part is exposed to.

substitutethe metal for one with a higher melting point.

decrease the applied strees on the metal part

only first three statements are correct (those arealleviate the creep deformation)

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