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Without changing the alloy, how can we increase the material’s resistance to creep? List at least 2 methods. 

For a phase to be in metastable, the free energy of the system is at a minimum. 

Opposite sign edge dislocations

Provide 2 differences between Ductile and Brittle fracture

When two components (pure metals) completely mix in each other as a solid-solution, it means their solid-solubility is 

For highly ductile metal the percentage reduction in area will be close to

Are cold work metals suitable for high-temperature service? Why or Why not? Provide a clear explanation on what happens in the material by explaining the start and end microstructure.

Why would drilling a hole at the end of a crack prevent crack propagation?

This is an example of an essay question. Use the text-entry field below to write a paragraph to submit as your answer.

You convert cyclopentane into pentane and generate the following rate data: T(K) k (s-1) 750 1.8 x 10-4 850 2.7 x 10-3 900 3.0 x 10-2 950 0.26 From the data and plot, determine the order and calculate the activation energy for the reation.