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Exercise: 1 (5 Marks) (a) Calculate the equilibrium concentration of vacancies per cubic meter in pure copper at 850C. Assume that the energy of formation

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Exercise: 1 (5 Marks) (a) Calculate the equilibrium concentration of vacancies per cubic meter in pure copper at 850C. Assume that the energy of formation of a vacancy in pure copper is 1.00eV. (b) What is the vacancy fraction at 800C ? Exercise: 2 (2 Marks) What is a metal alloy? What is a solid solution? Exercise: 3 (3 Marks) Distinguish between a substitutional solid solution and an interstitial solid solution

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