700 L L 600 M a + L Mg, Pb 500 465 400 L Mg Pb 300 200 a + Mg Pb 100 Mg Pb 20 40 60 80 100 Mg Composition (wt% Pb) Pb Mg Pb Figure 1 The Mg/Pb phase diagram The Pb% to gain alpha grain with Mg2Pb on the boundary of alpha at the room temperature. ANSWER: From the diagram, the required Pb% is 40% since it corresponds to the boundary eutectic. I it possible to gain beta grain with Mg2Pb on the boundary at the room temperature of an alloy? Explain ANSWER: It is not possible to get grain on Mg2Pb since the eutectic composition will be| varied, which in turn will lose the composition strength. What is the mount of alpha in an alloy (50%Mg +50%Pb) at temperature of 500oC? ANSWER: The mount of alpha in the alloy 50% Mg + 50 % Pb at 500 C will correspond to the eutectic composition at the 70% of Pb, ie; the mount = 70/100 = 0.7 % of Pb What is the mount of alpha in the alloy (50%Mg +50%Pb) at the room temperature? ANSWER: The mount of alpha in the alloy 50% Mg + 50 % Pb at room temperature will correspond to the a+Mg2Pb composition, since at this temperature no single-phase existence is there. EXPLAIN THE ANSWERS, HOW WE GET THE ANSWERS AND SHOW THE UNDERSTANDING BY WRITING FEW SENTENCES NOT TOO LONG JUST BRIEFING THE ANSWERS Temperature (°C)
700 L L 600 M a + L Mg, Pb 500 465 400 L Mg Pb 300 200 a + Mg Pb 100 Mg Pb 20 40 60 80 100 Mg Composition (wt% Pb) Pb Mg Pb Figure 1 The Mg/Pb phase diagram The Pb% to gain alpha grain with Mg2Pb on the boundary of alpha at the room temperature. ANSWER: From the diagram, the required Pb% is 40% since it corresponds to the boundary eutectic. I it possible to gain beta grain with Mg2Pb on the boundary at the room temperature of an alloy? Explain ANSWER: It is not possible to get grain on Mg2Pb since the eutectic composition will be| varied, which in turn will lose the composition strength. What is the mount of alpha in an alloy (50%Mg +50%Pb) at temperature of 500oC? ANSWER: The mount of alpha in the alloy 50% Mg + 50 % Pb at 500 C will correspond to the eutectic composition at the 70% of Pb, ie; the mount = 70/100 = 0.7 % of Pb What is the mount of alpha in the alloy (50%Mg +50%Pb) at the room temperature? ANSWER: The mount of alpha in the alloy 50% Mg + 50 % Pb at room temperature will correspond to the a+Mg2Pb composition, since at this temperature no single-phase existence is there. EXPLAIN THE ANSWERS, HOW WE GET THE ANSWERS AND SHOW THE UNDERSTANDING BY WRITING FEW SENTENCES NOT TOO LONG JUST BRIEFING THE ANSWERS Temperature (°C)
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
Related questions
Question
Transcribed Image Text:700
L
600
м
a + L
Mg, Pb
500
O 465
400
Mg Pb
300
200
a + Mg Pb
B+
Mg,Pb
100
20
40
60
80
100
Mg
Composition (wt% Pb)
Pb
Mg Pb
Figure 1 The Mg/Pb phase diagram
1. The Pb% to gain alpha grain with Mg2Pb on the boundary of alpha at the room temperature.
ANSWER: From the diagram, the required Pb% is 40% since it corresponds to the boundary
eutectic.
2. Is it possible to gain beta grain with Mg2Pb on the boundary at the room temperature of an
alloy? Explain
ANSWER: It is not possible to get grain on Mg2Pb since the eutectic composition will be
varied, which in turn will lose the composition strength.
3. What is the mount of alpha in an alloy (50%Mg +50%Pb) at temperature of 500oC?
ANSWER: The mount of alpha in the alloy 50% Mg + 50 % Pb at 500 C will correspond to the
eutectic composition at the 70% of Pb, i.e; the mount = 70/100 = 0.7 % of Pb
4. What is the mount of alpha in the alloy (50%Mg +50%Pb) at the room temperature?
ANSWER: The mount of alpha in the alloy 50% Mg + 50 % Pb at room temperature will
correspond to the a+Mg2Pb composition, since at this temperature no single-phase
existence is there.
EXPLAIN THE ANSWERS, HOW WE GET THE ANSWERS
AND SHOW THE UNDERSTANDING
BY WRITING FEW SENTENCES NOT TOO LONG JUST
BRIEFING THE ANSWERS
Temperature (°C)
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