Answer the following questions using the phase diagram of iron and iron carbide below: For a 99.70 wt% Fe–0.30 wt% C alloy at a temperature of 600oC, determine the following: a. The fractions of total ferrite and cementite phases b. The fractions of the pro eutectoid ferrite and pearlite

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Answer the following questions using the phase diagram of iron and iron carbide below:

For a 99.70 wt% Fe–0.30 wt% C alloy at a temperature of 600oC, determine the 
following:
a. The fractions of total ferrite and cementite phases 
b. The fractions of the pro eutectoid ferrite and pearlite

Temperature (°C)
1600
1400
1200
1000
800
600
1538 C
4000
912°C
2
-1493°C
1394°C
7. Austenite
0.76
0.022
a, Ferrite
5
Y+L
2
2.14
Composition (at % C)
15
10
1147 C
a + Fe₂C
L
4.30
Y+F03C
4
Composition (wt% C)
727°C
20
Cementite (Fe-C)
5
6
25
2500
2000
1500
1000
6.70
Temperature (°F)
Transcribed Image Text:Temperature (°C) 1600 1400 1200 1000 800 600 1538 C 4000 912°C 2 -1493°C 1394°C 7. Austenite 0.76 0.022 a, Ferrite 5 Y+L 2 2.14 Composition (at % C) 15 10 1147 C a + Fe₂C L 4.30 Y+F03C 4 Composition (wt% C) 727°C 20 Cementite (Fe-C) 5 6 25 2500 2000 1500 1000 6.70 Temperature (°F)
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