Aluminum Al (Tm=660 °C) and Germanium Ge (Tm-938 °C) were fully dissolved in each other in the liquid state. The ultimate solubility of Ge in Al is 6 % at 424 °C which decreasing with decreasing temperature to zero% at room temperature while the aluminum never dissolved in germanium in solid state. Al and Ge form eutectic at 424 °C and 53 % of Ge. construct phase diagram for Al-Ge alloying system, label all phases and temperatures, and answer the following: a) 30 wt.% Ge alloy is slowly cooled from 600°C 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, 350°C? c) What is the composition of the phases in (b)?
Aluminum Al (Tm=660 °C) and Germanium Ge (Tm-938 °C) were fully dissolved in each other in the liquid state. The ultimate solubility of Ge in Al is 6 % at 424 °C which decreasing with decreasing temperature to zero% at room temperature while the aluminum never dissolved in germanium in solid state. Al and Ge form eutectic at 424 °C and 53 % of Ge. construct phase diagram for Al-Ge alloying system, label all phases and temperatures, and answer the following: a) 30 wt.% Ge alloy is slowly cooled from 600°C 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, 350°C? c) What is the composition of the phases in (b)?
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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![Aluminum Al (Tm-660 °C) and Germanium Ge (Tm-938 C) were fully dissolved in each other in the
liquid state. The ultimate solubility of Ge in Al is 6 % at 424 °C which decreasing with decreasing
temperature to zero% at room temperature while the aluminum never dissolved in germanium in solid
state. Al and Ge form eutectic at 424 °C and 53 % of Ge. construct phase diagram for Al-Ge alloying
system, label all phases and temperatures, and answer the following:
a) 30 wt.% Ge alloy is slowly cooled from 600°C 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, 350°C?
c) What is the composition of the phases in (b)?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3a0cf8b5-75aa-4b74-84ae-2f6a44732d46%2F6aebb96b-7700-45b8-b551-4a60d3171668%2Fws8irdo_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Aluminum Al (Tm-660 °C) and Germanium Ge (Tm-938 C) were fully dissolved in each other in the
liquid state. The ultimate solubility of Ge in Al is 6 % at 424 °C which decreasing with decreasing
temperature to zero% at room temperature while the aluminum never dissolved in germanium in solid
state. Al and Ge form eutectic at 424 °C and 53 % of Ge. construct phase diagram for Al-Ge alloying
system, label all phases and temperatures, and answer the following:
a) 30 wt.% Ge alloy is slowly cooled from 600°C 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, 350°C?
c) What is the composition of the phases in (b)?
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