Question: Temperature (C) 11. Below is shown the led-tin (Pb-Sn) phase diagram. 300 327C 200 100 18.3 a+L Liquid 232C 183C B+L 61.9 97.8 a+B

Temperature (C) 11. Below is shown the led-tin (Pb-Sn) phase diagram. 300 327C 200 100 18.3 a+L Liquid 232C 183C B+L 61.9 97.8 a+B 20 40 60 80 10 (Pb) Composition (wt% Sn) (Sn) For an alloy composition 85wt% Sn - 15wt% Pb, determine the following: a) The weight fractions of the and phases at 150C? b) The weight fraction of primary and the eutectic micro-constituent at 150C?

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