Temperature, °CTemperature, FTemperature, °CTemperature,(b) The Low carbon steel (1% C) is required to be hardened by heat treatment. Related phasediagram and TTT diagram are given below in Figure Q3(b). Illustrate the phases obtained andprocedure of the heat treatment process1800Liquid (L)3200Austenite, y800-A, = 723°C (1333 F)140028001400700아P,1200StartPearlite, P2400600-Y+ LL+ Fe,CFinish1000 uY+ a1130°C (2066°F)2000500-a+ Fe,C1000a +Y-800400- Y1600AB,B,Bainite, BY+ FegC Solid600723°C (1333°F)300F Ms1200600400200800a + FezcSolidY+M100- M200200 -400Martensite, M102Time, s1.01010106Fe% Carbon (C)TTT diagramFe-Fe carbide phase diagramFigure Q3(b)

Answered: Image /qna-images/answer/5747b1da-716f-4e61-983e-0655ce817235.jpg

Answered: (b) The Low carbon steel (1% C) is…

(b) The Low carbon steel (1% C) is required to be hardened by heat treatment. Related phase diagram and TTT diagram are given below in Figure Q3(b). Illustrate the phases obtained and

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Free Body Diagram

The system of forces acting on a body tends to either rotate it or make the body undergo motion. In general, when an external agent exerts a force on a body, the body undergoes translational motion and rotational motion. The body has six degrees of freedom under the influence of that force. Here, three degrees of freedom are from the translational motion while the other three are from the rotation motion. However, sometimes the bodies are not allowed to undergo any motion and are fixed, under such conditions the body is said to be constrained.

Question

100%

Temperature, °C
Temperature, F
Temperature, °C
Temperature,
(b) The Low carbon steel (1% C) is required to be hardened by heat treatment. Related phase
diagram and TTT diagram are given below in Figure Q3(b). Illustrate the phases obtained and
procedure of the heat treatment process
1800
Liquid (L)
3200
Austenite, y
800-
A, = 723°C (1333 F)
1400
2800
1400
700아
P,
1200
Start
Pearlite, P
2400
600-
Y+ L
L+ Fe,C
Finish
1000 u
Y+ a
1130°C (2066°F)
2000
500-
a+ Fe,C
1000
a +Y
-800
400- Y
1600
A
B,
B,
Bainite, B
Y+ FegC Solid
600
723°C (1333°F)
300F Ms
1200
600
400
200
800
a + Fezc
Solid
Y+M
100- M
200
200 -
400
Martensite, M
102
Time, s
1.0
10
10
10
6
Fe
% Carbon (C)
TTT diagram
Fe-Fe carbide phase diagram
Figure Q3(b)

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