Metal A (Tm=860 oC) and metal B (Tm=620 oC) were fully dissolved in each other in the liquid state. The ultimate solubility of B in A is 12% at 460 oC which decreasing with decreasing temperature to 3% at room temperature while the maximum solubility of A in B is 7% at 460 oC still constant to room temperature. A and B form eutectic at 460 oC and 48 % of B. construct phase diagram for A-B alloying system, label all phases and temperatures, and answer the following: a) 28 wt % A alloy is slowly cooled from 720 oC at what temperature does the first solid phase is formed? What is the composition of this solid phase? b) For this alloy what is the mass fraction of the phases at, 600 oC, 300 oC ,and TR? c) What is the ?composition of the phases in (b)

Metal A (Tm=860 oC) and metal B (Tm=620 oC) were fully dissolved in each other in the liquid state. The ultimate solubility of B in A is 12% at 460 oC which decreasing with decreasing temperature to 3% at room temperature while the maximum solubility of A in B is 7% at 460 oC still constant to room temperature. A and B form eutectic at 460 oC and 48 % of B. construct phase diagram for A-B alloying system, label all phases and temperatures, and answer the following: a) 28 wt % A alloy is slowly cooled from 720 oC at what temperature does the first solid phase is formed? What is the composition of this solid phase? b) For this alloy what is the mass fraction of the phases at, 600 oC, 300 oC ,and TR? c) What is the ?composition of the phases in (b)

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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