Question

References Composition = 0 wt% C Composition = 0 at% C Temperature = 400 °C Temperature = 752 °F Composition (at% C) 5 10 15 20 25 1600 1538 °C 1493 °C ? L 1400 2500 1394 °C ? + L 1200 1147 °C 2.14 4.30 ?, Austenite 2000 1000 912 °C ? + Fe3C 800 1500 727 °C ? + ? 0.76 0.022 600 ?, Ferrite ? + Fe3C 1085 °C Cementite (Fe3C) 1000 400 0 1 2 3 4 5 6 6.70 (Fe) Composition (wt% C) Temperature (°C) Temperature (°F)

          References
Composition = 0 wt% C
Composition = 0 at% C
Temperature = 400 °C
Temperature = 752 °F
Composition (at% C)
5
10
15
20
25
1600
1538 °C
1493 °C
?
L
1400
2500
1394 °C
? + L
1200
1147 °C
2.14
4.30
?, Austenite
2000
1000
912 °C
? + Fe3C
800
1500
727 °C
? + ?
0.76
0.022
600
?, Ferrite
? + Fe3C
1085 °C
Cementite (Fe3C)
1000
400
0
1
2
3
4
5
6
6.70
(Fe)
Composition (wt% C)
Temperature (°C)
Temperature (°F)

References
Composition = 0 wt% C
Composition = 0 at% C
Temperature = 400 °C
Temperature = 752 °F
Composition (at% C)
5
10
15
20
25
1600
1538 °C
1493 °C
?
L
1400
2500
1394 °C
? + L
1200
1147 °C
2.14
4.30
?, Austenite
2000
1000
912 °C
? + Fe3C
800
1500
727 °C
? + ?
0.76
0.022
600
?, Ferrite
? + Fe3C
1085 °C
Cementite (Fe3C)
1000
400
0
1
2
3
4
5
6
6.70
(Fe)
Composition (wt% C)
Temperature (°C)
Temperature (°F)

Added by Rebecca M.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Adi S

09/12/2023

Step 1

First, we need to locate the point on the phase diagram that corresponds to the composition of the alloy we are interested in, which is 0.65 wt% C. This point falls on the line between the austenite and ferrite + cementite regions, at a temperature of around 727°C Show more…

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Thanks for your feedback!

References Composition = 0 wt% C Composition = 0 at% C Temperature = 400 °C Temperature = 752 °F Composition (at% C) 5 10 15 20 25 1600 1538 °C 1493 °C δ L 1400 2500 1394 °C γ + L 1200 1147 °C 2.14 4.30 γ, Austenite 2000 1000 912 °C γ + Fe3C 800 1500 727 °C α + γ 0.76 0.022 600 α, Ferrite α + Fe3C 1085 °C Cementite (Fe3C) 1000 400 0 1 2 3 4 5 6 6.70 (Fe) Composition (wt% C)