5. [Phase Diagram] (1) Here is Cu-Ag phase diagram and two cases (composition and temperature) are given below. At each case, (i) cite the phase(s) present(s), (ii) estimate the phase composition(s), (iii) weight fraction of the phase(s) and (iv) sketch its microstructure for the following alloy. a. 71.9 wt% Ag-28.1 wt% Cu at just above 779 °C b. 71.9 wt% Ag-28.1 wt% Cu at just below 779 °C Temperature (°C) 1200 A 1000 800 600 0 400 a C 200 0 (Cu) B 8.0 (CE) -Solidus Solvus 20 20 a + L Composition (at% Ag) -Liquidus 779°C (TE) 40 40 a + B Liquid 60 Composition (wt% Ag) 60 E 71.9 (CE) 80 80 B+L 91.2 (CBE) G 100 10₂ B H | 2200 2000 1800 F 1600 1400 1200 1000 800 600 400 100 (Ag) Temperature (°F)

5. [Phase Diagram] (1) Here is Cu-Ag phase diagram and two cases (composition and temperature) are given below. At each case, (i) cite the phase(s) present(s), (ii) estimate the phase composition(s), (iii) weight fraction of the phase(s) and (iv) sketch its microstructure for the following alloy. a. 71.9 wt% Ag-28.1 wt% Cu at just above 779 °C b. 71.9 wt% Ag-28.1 wt% Cu at just below 779 °C Temperature (°C) 1200 A 1000 800 600 0 400 a C 200 0 (Cu) B 8.0 (CE) -Solidus Solvus 20 20 a + L Composition (at% Ag) -Liquidus 779°C (TE) 40 40 a + B Liquid 60 Composition (wt% Ag) 60 E 71.9 (CE) 80 80 B+L 91.2 (CBE) G 100 10₂ B H | 2200 2000 1800 F 1600 1400 1200 1000 800 600 400 100 (Ag) Temperature (°F)

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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