MIME 262 - Final Exam Review 2

MIME 262 - Final Exam Review 2 - Questions Regarding...

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Questions Regarding Strengthened Conductors Questions in this area will be specifically on strengthened conductors, including structure-property relationships for mechanical and electrical properties. Copper-Nickel A copper nickel alloy is to be used for an electrical engineering application. The graph below shows its electrical properties as a function of temperature, at%Ni, and, in one case, deformation history. Answer the following questions, regarding these alloys. a) Define U t , U i , and U d . Indicate for each how they contribute to the total resistivity of the deformed Cu + 1.12at% Ni alloy (i.e. what is the equation and what is the mechanism for each term?). b) Rank the mechanical strengths of pure copper, Cu + 1.12 at% Ni and the deformed Cu + 1.12 at% Ni. If there are strengthening mechanisms at play, what are they, for which of the three materials are they active and how do they work? c)
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This note was uploaded on 10/02/2010 for the course ENGINEERIN MIME 262 taught by Professor Chrimik during the Fall '10 term at McGill.

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MIME 262 - Final Exam Review 2 - Questions Regarding...

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