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(Solved): For a \( 99.4 \mathrm{wt} \% \mathrm{Fe}-0.60 \mathrm{wt} \% \mathrm{C} \) at a temperature just b ...



For a \( 99.4 \mathrm{wt} \% \mathrm{Fe}-0.60 \mathrm{wt} \% \mathrm{C} \) at a temperature just below the eutectoid temperat

For a \( 99.4 \mathrm{wt} \% \mathrm{Fe}-0.60 \mathrm{wt} \% \mathrm{C} \) at a temperature just below the eutectoid temperature, determine the following from Figure 4: a) Composition of \( \mathrm{Fe}_{3} \mathrm{C} \) and ferrite \( (\alpha) \) b) The amount of carbide (cementite) in grams that forms per \( 100 \mathrm{~g} \) of steel c) The amount of pearlite and proeutectoid ferrite \( (\alpha) \). The eutectoid composition contains \( 0.76 \% \) C.


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a) composition of cementite and ferrite: From the figure the composition of cementite and ferrite is 727°c where cementite is 96% and ferrite is 4%.
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