Question: a) The figure below represents a Pb-Sn phase diagram. If alloy A has 30 wt.% of Sn which is heated to 350 o C and

a) The figure below represents a Pb-Sn phase diagram. If alloy A has 30 wt.% of Sn which is heated to 350^oC and slowly cooled to 182^oC, which is just below the eutectic temperature.

a) What phases are present?

b) What is the composition of each phase?

c) What is the weight fraction of each phase?

d) Sketch the sample's microstructure, assuming you cooled slowly enough to maintain thermal equilibrium.

a) The figure below represents a Pb-Sn phase diagram. If alloy

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