Consider the iron-carbon phase diagram below. What is the expected fraction of pearlite for a 1.2 wt% carbon steel? Enter in decimal form, e.g. 0.1 Temperature (°C) no 1600 1400 1200 1000 1538°C 600 800 a + Y 400 0 8 912°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 3 4 Composition (wt% C) 4.30 y+ Fe3C 727°C 20 Cementite (Fe3C) 5 6 25 -2500 2000 1500 1000 6.70 Temperature (°F)

Elements Of Electromagnetics
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Consider the iron-carbon phase diagram below. What is the expected fraction of pearlite for a 1.2 wt% carbon steel? Enter in decimal form, e.g. 0.1
Temperature (°C)
no
1600
1400
1200
1000
1538°C
600
800 a
+
Y
400
0
8
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
3
4
Composition (wt% C)
4.30
y+ Fe3C
727°C
20
Cementite (Fe3C)
5
6
25
-2500
2000
1500
1000
6.70
Temperature (°F)
Transcribed Image Text:Consider the iron-carbon phase diagram below. What is the expected fraction of pearlite for a 1.2 wt% carbon steel? Enter in decimal form, e.g. 0.1 Temperature (°C) no 1600 1400 1200 1000 1538°C 600 800 a + Y 400 0 8 912°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 3 4 Composition (wt% C) 4.30 y+ Fe3C 727°C 20 Cementite (Fe3C) 5 6 25 -2500 2000 1500 1000 6.70 Temperature (°F)
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