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Qu.3 A carbon steel is heated from point A to point D as shown in Figure 3. What are the number of phases in each point and the phases present in each point? Composition (at% C 10 15 20 25 1600 538 C D 14 -2500 139 1200 1147 C 2.14 4.30 2000 1000 912 C 800 1500 727 C 022 Cemeritite Fec) 1000 Figure 3: Phase Diagram of a Fe-Fe,C System
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