Rapidly cool to 625°C (1155°F), hold at this temperature for 10 s, rapidly cool to 400°C (750°F), hold at this temperature for 5 s, then quench to room temperature.

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Rapidly cool to 625°C (1155°F), hold at this temperature for 10 s, rapidly cool to 400°C (750°F), hold at this temperature for 5 s,
then quench to room temperature.
martensite
%
proeutectoid ferrite
bainite
fine pearlite
austenite
i
eTextbook and Media
Transcribed Image Text:Rapidly cool to 625°C (1155°F), hold at this temperature for 10 s, rapidly cool to 400°C (750°F), hold at this temperature for 5 s, then quench to room temperature. martensite % proeutectoid ferrite bainite fine pearlite austenite i eTextbook and Media
Time = 1 · 10E-1 s
Temperature = 0 °C
Temperature = 32 °F
%3D
900
1600
800
A + F
1400
A
700
1200
`A + P
P
600
В
1000
500
FA+B
800
50%
400
M (start)
M (50%)
600
300
м(90%)
200
400
100
200
01
1
10
102
103
104
105
Temperature (°C)
Temperature (°F)
Transcribed Image Text:Time = 1 · 10E-1 s Temperature = 0 °C Temperature = 32 °F %3D 900 1600 800 A + F 1400 A 700 1200 `A + P P 600 В 1000 500 FA+B 800 50% 400 M (start) M (50%) 600 300 м(90%) 200 400 100 200 01 1 10 102 103 104 105 Temperature (°C) Temperature (°F)
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