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Mohamad Afzal Khan
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Asked: 2020-05-31T22:27:30+05:30 In:

What is the maximum solubility of carbon in iron? Justify your answer wrt Fe-Fe3C equilibrium diagram.

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30%Relation among steel, cast iron & pig iron ( 3 voters )
70%Limitation of Fe-Fe3C diagram ( 7 voters )
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What is the maximum solubility of carbon in iron? Justify your answer wrt Fe-Fe3C equilibrium diagram.
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    4 Answers

    1. Platinum⭐ Metallurgical and Materials Engineering student

      Carbon present in Fe combine with it to form Fe3C. Means we can add carbon as much as possible until all Fe is converted into Fe3C. Thus weight %of C in Fe when all Fe converted into Fe3C will be max wt% of C in Fe. For this Let us assume that we have 3 moles of Fe thus I can dissolve maximum 1 moleRead more

      Carbon present in Fe combine with it to form Fe3C. Means we can add carbon as much as possible until all Fe is converted into Fe3C.

      Thus weight %of C in Fe when all Fe converted into Fe3C will be max wt% of C in Fe. For this

      Let us assume that we have 3 moles of Fe thus I can dissolve maximum 1 mole of C. Thus max wt% is =wt of C×100%÷total weight

      Weight of C is=1×12g

      Total weight=1×12+3×56

      Max Wt%of C=12×100%÷180=6.6666%

      Thus we use 6.67%of carbon in fe c diagram.

      In other words fe – c diagram is fe- fe3c,diagram in which 6.67%carbon represent 100%of fe3c.

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    2. Upto 6.67%carbon in fe-fec3 diagram

      Upto 6.67%carbon in fe-fec3 diagram

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    3. Gold B.TECH, NIT DURGAPUR

      6.67%carbon in fe-fec3 diagram

      6.67%carbon in fe-fec3 diagram

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    4. Maximus solubility of carbon is 6.67%. when we added more carbon it's form sapperat graphite it's derived form fe-fe3c daigram

      Maximus solubility of carbon is 6.67%. when we added more carbon it’s form sapperat graphite it’s derived form fe-fe3c daigram

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