These questions are based on a high carbon stell with a composition of 1.5%C and 98.5%Fe 1)Name the phases present and calculate the amounts of these phases just above the eutectoid temperature. 2)With equilibrium cooling just below the eutectoid temperature calculate the to

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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These questions are based on a high carbon stell with a composition of 1.5%C and 98.5%Fe

1)Name the phases present and calculate the amounts of these phases just above the eutectoid temperature.

2)With equilibrium cooling just below the eutectoid temperature calculate the total ferrite.

1600
1538°C
-1493°C
1400
2500
1394°C
y+L
1200
1147°C
2.14
4.30
y, Austenite
2000
1000
912°C
y+ FesC
800
1500
727°C
0.76
0.022
600
a, Ferrite
a + FegC
Cementite (FegC)
1000
3
4
6.70
(Fe)
Composition (wt% C)
Figure 4.1: Fe-C Binary Phase Diagram
Temperature ("C)
Temperature (°F)
Transcribed Image Text:1600 1538°C -1493°C 1400 2500 1394°C y+L 1200 1147°C 2.14 4.30 y, Austenite 2000 1000 912°C y+ FesC 800 1500 727°C 0.76 0.022 600 a, Ferrite a + FegC Cementite (FegC) 1000 3 4 6.70 (Fe) Composition (wt% C) Figure 4.1: Fe-C Binary Phase Diagram Temperature ("C) Temperature (°F)
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