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

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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For a 99.70 wt% Fe-0.30 wt% C alloy at a temperature of 600°C, determine the
following:
a. The fractions of total ferrite and cementite phases
b. The fractions of the proeutectoid ferrite and pearlite
Transcribed Image Text:For a 99.70 wt% Fe-0.30 wt% C alloy at a temperature of 600°C, determine the following: a. The fractions of total ferrite and cementite phases b. The fractions of the proeutectoid ferrite and pearlite
Temperature (°C)
1600
1400
1200
1000
800
600
1538°C
400
0
912°C
(Fe)
+
-1493°C
1394°C
y, Austenite
0.76
0.022
a, Ferrite
5
y+L
2
2.14
Composition (at % C)
15
10
1147°C
a + Fe3C
L
4.30
y+ Fe3C
4
3
Composition (wt% C)
727°C
20
Cementite (Fe3C).
5
6
25
2500
2000
1500
1000
6.70
Temperature (°F)
Transcribed Image Text:Temperature (°C) 1600 1400 1200 1000 800 600 1538°C 400 0 912°C (Fe) + -1493°C 1394°C y, Austenite 0.76 0.022 a, Ferrite 5 y+L 2 2.14 Composition (at % C) 15 10 1147°C a + Fe3C L 4.30 y+ Fe3C 4 3 Composition (wt% C) 727°C 20 Cementite (Fe3C). 5 6 25 2500 2000 1500 1000 6.70 Temperature (°F)
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