Question 4. Using the isothermal transformation diagram for an iron-carbon alloy of eutectoid composition (below), sketch and label time-temperature paths on this diagram to produce the following microstructures: (a) 100% fine pearlite (b) 100% tempered martensite (c) 50% coarse pearlite, 25% bainite, and 25% martensite 800 Eutectoid temperature 1400 700 1200 600 1000 500 (4.)
Question 4. Using the isothermal transformation diagram for an iron-carbon alloy of eutectoid composition (below), sketch and label time-temperature paths on this diagram to produce the following microstructures: (a) 100% fine pearlite (b) 100% tempered martensite (c) 50% coarse pearlite, 25% bainite, and 25% martensite 800 Eutectoid temperature 1400 700 1200 600 1000 500 (4.)
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Material science
![Question 4. Using the isothermal transformation diagram for an
iron-carbon alloy of eutectoid composition (below), sketch and
label time-temperature paths on this diagram to produce the
following microstructures:
(a) 100% fine pearlite
(b) 100% tempered martensite
(c) 50% coarse pearlite, 25% bainite, and 25% martensite
800
Eutectoid temperature
1400
700
1200
600
1000
500
800
400
A
600
300
M (start)
200
M +A
50%
400
М (50%)
м (90%)
100
200
10-1
1
10
102
103
104
105
Time (s)
Temperature (°C)
Temperature ("F)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F13845a37-5729-414b-9b1b-61f53f8e20be%2F852f4c19-4c2d-45d2-9ffb-9a710e8761d7%2Fe4fk67_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question 4. Using the isothermal transformation diagram for an
iron-carbon alloy of eutectoid composition (below), sketch and
label time-temperature paths on this diagram to produce the
following microstructures:
(a) 100% fine pearlite
(b) 100% tempered martensite
(c) 50% coarse pearlite, 25% bainite, and 25% martensite
800
Eutectoid temperature
1400
700
1200
600
1000
500
800
400
A
600
300
M (start)
200
M +A
50%
400
М (50%)
м (90%)
100
200
10-1
1
10
102
103
104
105
Time (s)
Temperature (°C)
Temperature ("F)
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