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a) Give the common name for the following phases – Q, y, Fe3C b) For a composition of 1 wt% C, calculate the amounts of proeu

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Answer #1

1 alpha iron is said to be ferrite

gamma iron is said to be Austenite

fe3c is said to be Cementite

2 fraction of pearlite =  (6.7 – C1) / (6.7 – 0.76)

= 0.9595

fraction of proeutectoid cementite: = (C1 – 0.76) / (6.7 – 0.76)

= 0.4040

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