Consider 1.2 kg of a 99.6 wt% Fe-0.4 wt% C alloy that is cooled to a temperature just below the eutectoid. The iron-iron carbidephase diagram is shown in the Animated Figure 9.24.(a) How many kilograms of proeutectoid ferrite form?ikg(b) How many kilograms of eutectoid ferrite form?ikg(c) How many kilograms of cementite form?ikg |CompositionComposition = 0 at% CTemperature = 400 °CTemperature = 752 °F= 0 wt% CComposition (at% C)%3D1015202516001538 °C1493 °CL140025001394 °Cy +L12001147 °C2.144.30|2000» Austenite1000912 °Cy + FE3C8001500727 °Ca+y0.760.022600&, Ferittea+ FeC1085 °CCementite (Fe,C)+10004001346.6.70(Fe)Composition (wt% C)Temperature (°C)Temperature (°F)

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Consider 1.2 kg of a 99.6 wt% Fe-0.4 wt% C alloy that is cooled to a temperature just below the eutectoid. The iron-iron carbide phase diagram is shown in the Animated Figure 9.24. (a) How many kilograms of proeutectoid ferrite form? i kg (b) How many kilograms of eutectoid ferrite form? i kg (c) How many kilograms of cementite form? i kg

Consider 1.2 kg of a 99.6 wt% Fe-0.4 wt% C alloy that is cooled to a temperature just below the eutectoid. The iron-iron carbide phase diagram is shown in the Animated Figure 9.24. (a) How many kilograms of proeutectoid ferrite form? i kg (b) How many kilograms of eutectoid ferrite form? i kg (c) How many kilograms of cementite form? i kg

Elements Of Electromagnetics

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Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Question

Consider 1.2 kg of a 99.6 wt% Fe-0.4 wt% C alloy that is cooled to a temperature just below the eutectoid. The iron-iron carbide
phase diagram is shown in the Animated Figure 9.24.
(a) How many kilograms of proeutectoid ferrite form?
i
kg
(b) How many kilograms of eutectoid ferrite form?
i
kg
(c) How many kilograms of cementite form?
i
kg

|Composition
Composition = 0 at% C
Temperature = 400 °C
Temperature = 752 °F
= 0 wt% C
Composition (at% C)
%3D
10
15
20
25
1600
1538 °C
1493 °C
L
1400
2500
1394 °C
y +L
1200
1147 °C
2.14
4.30
|2000
» Austenite
1000
912 °C
y + FE3C
800
1500
727 °C
a+y
0.76
0.022
600
&, Feritte
a+ FeC
1085 °C
Cementite (Fe,C)
+1000
400
1
3
4
6.
6.70
(Fe)
Composition (wt% C)
Temperature (°C)
Temperature (°F)

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