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18 Dec 2019
A Pb-Sn alloy with overall composition C0 = 45 wt% Sn is slowly cooled to 182ËC, which is just below the eutectic temperature. The microstructure consists of primary α (the dark circular phase) plus alternating layers of α (dark) and β (light). This alternating layer structure is called the eutectic microconstitutent. Based on the information provided, determine the amount of eutectic microconstituent in the alloy at 182ËC. Express your answer in wt%. A maximum tolerance of +/- 1% is allowed in your answer.Problem refer to the Pb-Sn phase diagram.
A Pb-Sn alloy with overall composition C0 = 45 wt% Sn is slowly cooled to 182ËC, which is just below the eutectic temperature. The microstructure consists of primary α (the dark circular phase) plus alternating layers of α (dark) and β (light). This alternating layer structure is called the eutectic microconstitutent. Based on the information provided, determine the amount of eutectic microconstituent in the alloy at 182ËC. Express your answer in wt%. A maximum tolerance of +/- 1% is allowed in your answer.Problem refer to the Pb-Sn phase diagram.
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