3.The figure below shows the phase diagram for a hypoeutectoid plain carbon steel.Assume that point c is slightly above 723 °C and point d is slightly below 723 °C.i.ii.iii.Explain the structure at points a, b, c, and d on the diagram.Determine the wt% of proeutectoid ferrite at point c.Determine the wt% of eutectoid ferrite at point d.Temperature (°C)10009008007006005004000100%Fey+ a0.02a + Fe, Cb0.4723°Cy + Fe, CPearlite0.8Weight percent carbonFe₂C6.67

3. The figure below shows the phase diagram for a hypoeutectoid plain carbon steel. Assume that point c is slightly above 723 °C and point d is slightly below 723 °C. i. Explain the structure at points a, b, c, and d on the diagram. ii. Determine the wt% of proeutectoid ferrite at point c. iii. Determine the wt% of eutectoid ferrite at point d. Temperature (°C) 1000 900 800 y+a 0.02 700 600 500 I 400 I I 0 100% Fe a + Fe, C 0.4 a 723°C y + Fe, C Pearlite 0.8 Weight percent carbon Fe,C 6.67

3. The figure below shows the phase diagram for a hypoeutectoid plain carbon steel. Assume that point c is slightly above 723 °C and point d is slightly below 723 °C. i. Explain the structure at points a, b, c, and d on the diagram. ii. Determine the wt% of proeutectoid ferrite at point c. iii. Determine the wt% of eutectoid ferrite at point d. Temperature (°C) 1000 900 800 y+a 0.02 700 600 500 I 400 I I 0 100% Fe a + Fe, C 0.4 a 723°C y + Fe, C Pearlite 0.8 Weight percent carbon Fe,C 6.67

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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Question

3.
The figure below shows the phase diagram for a hypoeutectoid plain carbon steel.
Assume that point c is slightly above 723 °C and point d is slightly below 723 °C.
i.
ii.
iii.
Explain the structure at points a, b, c, and d on the diagram.
Determine the wt% of proeutectoid ferrite at point c.
Determine the wt% of eutectoid ferrite at point d.
Temperature (°C)
1000
900
800
700
600
500
400
0
100%
Fe
y+ a
0.02
a + Fe, C
b
0.4
723°C
y + Fe, C
Pearlite
0.8
Weight percent carbon
Fe₂C
6.67

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