Composition (at% C) 10 15 20 25 1600 1538°C 1493°C L. 1400 2500 1394°C y+L 1200 1147°C 2.14 4.30 Y. Austenite 2000 1000 912°C Y+ Fegc 800 1500 727°C 0.76 0.022 600 a, Ferrite a+ Fezc Cementite (Fe3C) 1000 400 6.70 (Fe) Composition (wt% C) Figure 2: Iron- carbon phase diagram (a) State THREE (3) solubility categories of the phase diagram. (b) By referring to the Iron-Carbon phase diagram in Figure 2: (1) Determine the maximum solubility of carbon in a iron (ferrite) and in y-iron (austenite). (ii) Calculate the percentage of phases (a and y) present at 728°C for 0.5%wt carbon. Temperature ("C) Temperature ("F)
Composition (at% C) 10 15 20 25 1600 1538°C 1493°C L. 1400 2500 1394°C y+L 1200 1147°C 2.14 4.30 Y. Austenite 2000 1000 912°C Y+ Fegc 800 1500 727°C 0.76 0.022 600 a, Ferrite a+ Fezc Cementite (Fe3C) 1000 400 6.70 (Fe) Composition (wt% C) Figure 2: Iron- carbon phase diagram (a) State THREE (3) solubility categories of the phase diagram. (b) By referring to the Iron-Carbon phase diagram in Figure 2: (1) Determine the maximum solubility of carbon in a iron (ferrite) and in y-iron (austenite). (ii) Calculate the percentage of phases (a and y) present at 728°C for 0.5%wt carbon. Temperature ("C) 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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Transcribed Image Text:Question 5
Composition (at% C)
10
15
20
25
1600
1538°C
1493°C
L.
1400
2500
1394°C
y+L
1200
1147°C
2.14
4.30
Y. Austenite
2000
1000
912°C
y+ Fezc
800 -a
1500
727°C
0.76
0.022
600
a, Ferrite
a+ FezC
Cementite (Fe3C)
1000
400
5
6.
6.70
(Fe)
Composition (wt% C)
Figure 2: Iron- carbon phase diagram
(a)
State THREE (3) solubility categories of the phase diagram.
(b)
By referring to the Iron-Carbon phase diagram in Figure 2:
(i) Determine the maximum solubility of carbon in a iron (ferrite) and in y-iron
(austenite).
(ii) Calculate the percentage of phases (a and y) present at 728°C for 0.5%wt carbon.
(ii) Sketch the phase(microstructure) as your answer b(ii).
Temperature ("C)
Temperature (F)
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