Using the time-temperature-transformation diagram, what steel phases would you generate by cooling from 900ºC A. quenching in cold water to 520ºC in 0.5 second, holding the sample temperature constant for 1000 seconds at 520ºC, and then quenching to room temperature B. cooling down to room temperature over a period of 2 weeks?

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter1: Basic Modes Of Heat Transfer
Section: Chapter Questions
Problem 1.22P: 1.22 In order to prevent frostbite to skiers on chair lifts, the weather report at most ski areas...
icon
Related questions
Question

Using the time-temperature-transformation diagram, what steel phases
would you generate by cooling from 900ºC


A. quenching in cold water to 520ºC in 0.5 second, holding the sample temperature constant for 1000 seconds at 520ºC, and then quenching to room temperature

B. cooling down to room temperature over a period of 2 weeks?

800
A
1400
Eutectoid temperature
700
F + P
1200
A + F
(A
600
A
1000
500
800
400
A + 8 1
50%
B
600
300
M (start)
M (50%)
м +А
М 190%)
400
200
M
100
200
104
105
106
103
Time (s)
1
10
10?
Temperature ("C)
Temperature (°F)
Transcribed Image Text:800 A 1400 Eutectoid temperature 700 F + P 1200 A + F (A 600 A 1000 500 800 400 A + 8 1 50% B 600 300 M (start) M (50%) м +А М 190%) 400 200 M 100 200 104 105 106 103 Time (s) 1 10 10? Temperature ("C) Temperature (°F)
0,40WHC
300
M (start)
M (50%)
K730°C
dry
M (90%)
200
707°C
100
10.02
d ti Feg C
1
10
C6.69 wt.7
The presence of
cignificar
Transcribed Image Text:0,40WHC 300 M (start) M (50%) K730°C dry M (90%) 200 707°C 100 10.02 d ti Feg C 1 10 C6.69 wt.7 The presence of cignificar
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Strengthening of Alloys
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Principles of Heat Transfer (Activate Learning wi…
Principles of Heat Transfer (Activate Learning wi…
Mechanical Engineering
ISBN:
9781305387102
Author:
Kreith, Frank; Manglik, Raj M.
Publisher:
Cengage Learning