5. Fig. 4 is part of Iro Carbide phase diagram. Use Fig 4 to answer the followin

Question

5. Fig. 4 is part of Iro Carbide phase diagram. Use Fig 4 to answer the followin the numbers marks)Note: please use ruler to get answersas precise as possible whole only. (a) (b) ceMENT ITE Kiren Lide, Fesc ear tooawc (c) to CEMENT 30 22 CARBON Fig. 4 Iron-Iron Carbide Phase Diagram A 0.4% C carbon steel cools slowly from 900 oC. a. What phase is present at the commencing temperature? (i mark) b At what temperature does this phase commence changing? (i mark) c. What change commences at this temperature? (1 mark) d. What phase starts to change at 723°C and what phase is produced? (1 m changes to

Explanation / Answer

a. At 900 and above bcc iron with dissolved carbon.

B. Bellow 900 to 720

C. Bcc iron with dissolved oxygen to fcc iron with Fe3C

D. Bcc iron with dissolved O2 changes to fcc iron with Fe3C.

E. Gradually increases then decreases finally remains same.

F. Bcc iron with Fe3C.

G.

Related Questions

Navigate

• Browse (All)
• Browse 5
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.