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1-A lead (Pb)-tin (Sn) alloy of composition 30 wt% Sn is slowly heated from a temperature of 100C. (15 pts) a- At what temperature does
1-A lead (Pb)-tin (Sn) alloy of composition 30 wt% Sn is slowly heated from a temperature of 100C. (15 pts)
a- At what temperature does the first liquid phase form?
b- What is the composition of this liquid phase?
c- At what temperature does complete melting of the alloy occur?
d- What is the composition of the last solid remaining prior to complete melting?
e- At 200C, which phases are present and what are their weight fractions?
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