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Why is cementite listed on the iron-carbon phase diagram as a distinct chemical formula instead of a Greek letter like Beta?

Equilibrium cooling creates a cored microstructure.

In peritectic reaction liquid transforms to two solids on cooling.

Resistance to creep can be accomplished by using single crystal materials. 

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