Question
Industrial Engineering Question on Phase diagrams
In the iron-carbon equilibrium phase diagram, the temperature and composition of the eutectoid point are 727 °C and 0.77 weight % carbon, respectively. If a steel specimen with 1.2 weight % carbon is cooled from 1000 °C to the room temperature, then the fraction of pro-eutectoid cementite phase in the steel is _____ . (Rounded off to 2 decimal places)
A
0.07
B
0.93
C
0.18
D
0.12
Answer
0.07
Explanation
Solution
The correct option is (A): 0.07