- The Time Temperature - Transformation Curve Temperature, °C 800 700 600 500 400 300 200 Austenite, A₁ =723°C (1333°F) Ps 1400 Start Finish Pf Pearlite, P 1200 メ + Fe3C 1000 Possible cooling trajectory Σ Ms 100 M + M Martensite, M 800 B₁ Bainite, B Bs 600 400 Bs 200 1.0 10 102 103 104 Time, s Temperature, °F

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Describe and draw the cooling curve

-
The Time Temperature - Transformation Curve
Temperature, °C
800
700
600
500
400
300
200
Austenite,
A₁ =723°C (1333°F)
Ps
1400
Start
Finish
Pf
Pearlite, P
1200
メ
+ Fe3C
1000
Possible cooling trajectory
Σ
Ms
100 M
+ M
Martensite, M
800
B₁
Bainite, B
Bs
600
400
Bs
200
1.0
10
102
103
104
Time, s
Temperature, °F
Transcribed Image Text:- The Time Temperature - Transformation Curve Temperature, °C 800 700 600 500 400 300 200 Austenite, A₁ =723°C (1333°F) Ps 1400 Start Finish Pf Pearlite, P 1200 メ + Fe3C 1000 Possible cooling trajectory Σ Ms 100 M + M Martensite, M 800 B₁ Bainite, B Bs 600 400 Bs 200 1.0 10 102 103 104 Time, s Temperature, °F
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