Sketch the phase diagram for the Mg/Cu system using the following information: f (Mg) =
Chapter 6, Problem 6.7(choose chapter or problem)
Sketch the phase diagram for the Mg/Cu system using the following information: f (Mg) = 648C, f (Cu) = 1085C; two intermetallic compounds are formed with f (MgCu2) = 800C and f (Mg2Cu) = 580C; eutectics of mass percentage Mg composition and melting points 10 per cent (690C), 33 per cent (560C), and 65 per cent (380C). A sample of Mg/Cu alloy containing 25 per cent Mg by mass was prepared in a crucible heated to 800C in an inert atmosphere. Describe what will be observed if the melt is cooled slowly to room temperature. Specify the composition and relative abundances of the phases and sketch the cooling curve.
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