An engineering component with a total mass of 15 kg is going to be made of A- B alloys with high strength. Tensile tests of various A-B alloys indicate that the strength of these alloys is correlated to the phase fraction of AB₂ phase in these alloys. The results of tensile tests of A-B alloys are presented in figure 1, and the phase diagram of A-B system is presented in Figure 2. Using the information in figure 1 and figure 2, answer the following questions: (a) To achieve the highest tensile strength for the engineering component, how many kilograms of A and B are required to mix? Indicate the corresponding composition in the phase diagram. (b) Schematically sketch and label the resulting microstructure at room temperature for the composition that you suggest in (a) for this engineering component.
An engineering component with a total mass of 15 kg is going to be made of A- B alloys with high strength. Tensile tests of various A-B alloys indicate that the strength of these alloys is correlated to the phase fraction of AB₂ phase in these alloys. The results of tensile tests of A-B alloys are presented in figure 1, and the phase diagram of A-B system is presented in Figure 2. Using the information in figure 1 and figure 2, answer the following questions: (a) To achieve the highest tensile strength for the engineering component, how many kilograms of A and B are required to mix? Indicate the corresponding composition in the phase diagram. (b) Schematically sketch and label the resulting microstructure at room temperature for the composition that you suggest in (a) for this engineering component.
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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can you help please with a and b please material eng help please

Transcribed Image Text:QUESTION
An engineering component with a total mass of 15 kg is going to be made of A-
B alloys with high strength. Tensile tests of various A-B alloys indicate that the
strength of these alloys is correlated to the phase fraction of AB2 phase in these
alloys. The results of tensile tests of A-B alloys are presented in figure 1, and the
phase diagram of A-B system is presented in Figure 2. Using the information in
figure 1 and figure 2, answer the following questions:
(a) To achieve the highest tensile strength for the engineering component,
how many kilograms of A and B are required to mix? Indicate the
corresponding composition in the phase diagram.
(b) Schematically sketch and label the resulting microstructure at room
temperature for the composition that you suggest in (a) for this
engineering component.
Tensile strength (MPa)
90
80
70
60
50
40
30
20
10
0
0
10
20
-Two-phase microstructure (AB₂+B)
Two-phase microstructure (AB₂+a)
30
40
50
60
Phase fraction of AB, (Wt.%)
70
80
90

Transcribed Image Text:Temperature (°C)
1000-
500-
A
α
10 20
++
30
+++
50
40
Wt.% B
AB₂
+ + + +
68 70 80
AB₂
90
B
B
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