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1600 1538 1495 1500 L 1400 1394 1300 y+L 1200 Y 1148 (austenite) 1100 211 1000 900 912 1227°C L+FeyC 4.30 -6.691 +FeyC 800 727 700 0.02 0.77 600 500 ferrite) Fe,C (cementite) 400 or+Fo₂C- 300 200 100 3 5 6 Fe Weight percent carbon Fe₂C

1600 1538 1495 1500 L 1400 1394 1300 y+L 1200 Y 1148 (austenite) 1100 211 1000 900 912 1227°C L+FeyC 4.30 -6.691 +FeyC 800 727 700 0.02 0.77 600 500 ferrite) Fe,C (cementite) 400 or+Fo₂C- 300 200 100 3 5 6 Fe Weight percent carbon Fe₂C

Elements Of Electromagnetics
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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Heating 1 pound of a common low carbon steel with 0.50 wt% C content to 1000oC and then slowly cooling it down to room temperature. The iron phase diagram is shown below.

(a) What is the eutectic temperature, eutectic composition, and eutectic reaction?

(b) What is the eutectoid temperature, eutectoid composition, and eutectoid reaction?

(c) At 728oC, what phases do you have and what is the mass of each phase?

(d) At room temperature, what phases do you have and what is the mass of each phase?

1600 1538 1495 1500 L 1400 1394 1300 y+L 1200 Y 1148 (austenite) 1100 211 1000 900 912 1227°C L+FeyC 4.30 -6.691 +FeyC 800 727 700 0.02 0.77 600 500 ferrite) Fe,C (cementite) 400 or+Fo₂C- 300 200 100 3 5 6 Fe Weight percent carbon Fe₂C
Transcribed Image Text:1600 1538 1495 1500 L 1400 1394 1300 y+L 1200 Y 1148 (austenite) 1100 211 1000 900 912 1227°C L+FeyC 4.30 -6.691 +FeyC 800 727 700 0.02 0.77 600 500 ferrite) Fe,C (cementite) 400 or+Fo₂C- 300 200 100 3 5 6 Fe Weight percent carbon Fe₂C
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