a) A Cu-Ag alloy consists of 71.9 wt% Ag. What are the compositions of the individual...

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a) A Cu-Ag alloy consists of 71.9 wt% Ag. What are the compositions of the individual phases present and their percentage weight fractions in this alloy if it is cooled to (i) 780 °C (1) (ii) 778 °C (4) b) For a Cu-Ag alloy consisting of 80 wt% Cu determine the phases and calculate their mass fractions when this alloy is cooled to 900°C. (5) Next this alloy is cooled to 778°C, Temperature (°C) (i) (ii) (iii) 1200- 1000- 800 600 400 200 0 (Cu) Determine the mass fractions of a and ẞ phases? (5) Determine the mass fractions of primary a and eutectic microconstituents? (5) Determine the mass fraction of eutectic a? (5) Solidus 8.0 a + L Solvus 20 Liquidus 779°C a+B Liquid 40 60 Composition (wt% Ag) 71.9 Solvus 80 B+L 91.2 100 (Ag) a) A Cu-Ag alloy consists of 71.9 wt% Ag. What are the compositions of the individual phases present and their percentage weight fractions in this alloy if it is cooled to (i) 780 °C (1) (ii) 778 °C (4) b) For a Cu-Ag alloy consisting of 80 wt% Cu determine the phases and calculate their mass fractions when this alloy is cooled to 900°C. (5) Next this alloy is cooled to 778°C, Temperature (°C) (i) (ii) (iii) 1200- 1000- 800 600 400 200 0 (Cu) Determine the mass fractions of a and ẞ phases? (5) Determine the mass fractions of primary a and eutectic microconstituents? (5) Determine the mass fraction of eutectic a? (5) Solidus 8.0 a + L Solvus 20 Liquidus 779°C a+B Liquid 40 60 Composition (wt% Ag) 71.9 Solvus 80 B+L 91.2 100 (Ag)

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a i At 780C the CuAg alloy will exist as a single CuAg phase consisting of 100 by weigh... View the full answer