What is termed a \"stress-relief anneal\" is achieved as a result of Recovery Re

Question

What is termed a "stress-relief anneal" is achieved as a result of Recovery Recrystallization Grain growth During recovery, we expect all of the following EXCEPT Residual stresses to be reduced or eliminated Electrical conductivity to increase The anisotropic behavior caused by cold working to be eliminated The strength to remain about the same as after cold working The Hall-Petch equation describes the role of grain size in determining a polycrystalline material's yield strength. It states that Yield strength increases directly with increasing grain size, up to some upper limit Yield strength will decrease as the grain size increases, in a linear (straight-line) manner Yield strength will increase as grain size is reduced, depending on the type of metal, ferrous or non-ferrous Yield strength increases as the inverse-square-root of the grain size Solid-solution strengthening refers to Increasing the grain size to strengthen a metal Strengthening a metal by increasing the concentration of substitutional impurity atoms only Increasing the concentration of impurity atoms that form a solution in the original metal, using either interstitial or substitutional impurities Binary isomorphous phase diagrams refer to alloy systems that display ___________ solubility in the solid phase. Give an example of one such system, discussed in class. Define the solubility limit in alloys.

Explanation / Answer

Solubility Limit of a component in a phase is the maximum amount of the component that can be dissolved in it. The same concepts apply to solid phases: for example Cu and Ni are mutually soluble in any amount (unlimited solid solubility), while C has a limited solubility in Fe. So maximum amount of metal in small amount in metal is alloy limit.

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