Copper (Tm=1083°C) and silver (Tm=971°C) were fully dissolved in each other in the liquid state. The ultimate solubility of silver in copper is 8% at 779°C which decreasing with decreasing temperature to zero percent. at room temperature while the maximum solubility of copper in silver is 8.8% at 779°C decreased to zero% at room temperature. Copper and silver form eutectic at 779°C and 71.9% of silver. construct phase diagram for copper-silver system, label all phases and temperatures, and answer the following: a) 50 wt% Cu alloy is slowly cooled from 1000 °C at what temperature does the first solid phase is formed? b) What is the composition of this solid phase? c) At what temperature does the liquid solidify? d) For this alloy what is the mass fraction of the phases at 800°C, 600°C, 300°C,and TR? e) What is the composition of the phases in (d) ? | 2000 -Liquidus 1000 Liquid 1800 -Solidus a +L 1600 B+L 800 779°C (Tg) 8.0 71.9 91.2 1400 (Cg) (Cg). (Cag) 1200 600 1000 Solvus a +B 800 400 600 200. 400 100 40 60 80 (Cu) Composition (wt% Ag) (Ag) Temperature (°C) 20 Temperature (F)

Copper (Tm=1083°C) and silver (Tm=971°C) were fully dissolved in each other in the liquid state. The ultimate solubility of silver in copper is 8% at 779°C which decreasing with decreasing temperature to zero percent. at room temperature while the maximum solubility of copper in silver is 8.8% at 779°C decreased to zero% at room temperature. Copper and silver form eutectic at 779°C and 71.9% of silver. construct phase diagram for copper-silver system, label all phases and temperatures, and answer the following: a) 50 wt% Cu alloy is slowly cooled from 1000 °C at what temperature does the first solid phase is formed? b) What is the composition of this solid phase? c) At what temperature does the liquid solidify? d) For this alloy what is the mass fraction of the phases at 800°C, 600°C, 300°C,and TR? e) What is the composition of the phases in (d) ? | 2000 -Liquidus 1000 Liquid 1800 -Solidus a +L 1600 B+L 800 779°C (Tg) 8.0 71.9 91.2 1400 (Cg) (Cg). (Cag) 1200 600 1000 Solvus a +B 800 400 600 200. 400 100 40 60 80 (Cu) Composition (wt% Ag) (Ag) Temperature (°C) 20 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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