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One method for strengthening an alloy is to use the process of precipitation hardening.
a) For the Cu-Sn phase diagram, give the Sn composition range in which one might develop precipitation hardening alloys?
b) For a Cu-Sn alloy in this composition range, what heat treatment schedule might be considered for the precipitation hardening process to take place?
c) For the heat treatment that you designed in part b), how would you know if the alloy heat treatment is successful? Consider the tensile or yield stress, the elongation, and the microstructure that might be developed.
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