1. What percentage of total Fe 3 C is present in a steel with 1.15 wt% C at 726.9 o C? 2. What percentage of eutectoid Fe3C is present in a steel with 1.15 wt% carbon at 726.9 o C?
1. What percentage of total Fe 3 C is present in a steel with 1.15 wt% C at 726.9 o C? 2. What percentage of eutectoid Fe3C is present in a steel with 1.15 wt% carbon at 726.9 o C?
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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1. What percentage of total Fe 3 C is present in a steel with 1.15 wt% C at 726.9 o C?
2. What percentage of eutectoid Fe3C is present in a steel with 1.15 wt% carbon at 726.9 o C?
3.
Transcribed Image Text:T (C)
1600-
8
1400--1394°C
1200.
1000-
800-
a
600-
The Fe-C Phase Diagram
-1539 °C
400-
Y
A B C
a+y
Q-TA
0.77%
0.022
0 0.42 1 1.15
Fe
y+L
-Tc
2
L
1148 °C
2.11%
727 °C
a+Fe, C
3
4.3%
y+Fe, C
4
wt% C
5
P=1 atm
L+Fe₂C
6
6.67
Fe, C
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