Shown below is the Time Temperature Transformation diagram for a eutectoid steel. Refer to this diagram when answering the following question: TEMPERATURE (°C) 800 700 600 500- 400- 300 200- 100 0 0.1 M, M₁ 10 100 TIME (s) 109 10ª 105 Which ONE of the following statements is TRUE? The martensite transformation is instantaneous, it does not depend on time but on temperature The transformation to fine pearlite is instantaneous, it does not depend on time but on temperature. The formation of martensite can only occur if the cooling curve completely misses the "nose" of the curve. The formation of pearlite can only happen if the sample is rapidly quenched

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Shown below is the Time Temperature Transformation diagram for a eutectoid steel. Refer to this
diagram when answering the following question:
TEMPERATURE (°C)
800
700
600
500-
400-
300-
200-
100
0
0.1
1
M,
M₁
10
100
TIME (s)
10³
10
105
Which ONE of the following statements is TRUE?
The martensite transformation is instantaneous, it does not depend on time but on temperature
The transformation to fine pearlite is instantaneous, it does not depend on time but on temperature.
The formation of martensite can only occur if the cooling curve completely misses the "nose" of the curve.
The formation of pearlite can only happen if the sample is rapidly quenched
Transcribed Image Text:Shown below is the Time Temperature Transformation diagram for a eutectoid steel. Refer to this diagram when answering the following question: TEMPERATURE (°C) 800 700 600 500- 400- 300- 200- 100 0 0.1 1 M, M₁ 10 100 TIME (s) 10³ 10 105 Which ONE of the following statements is TRUE? The martensite transformation is instantaneous, it does not depend on time but on temperature The transformation to fine pearlite is instantaneous, it does not depend on time but on temperature. The formation of martensite can only occur if the cooling curve completely misses the "nose" of the curve. The formation of pearlite can only happen if the sample is rapidly quenched
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