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metagate.in
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Asked: 2020-04-16T01:45:16+05:30 In:

Continuing from previous Question’s concpet, BARC-3: Draw the Free Energy Vs. Temperature curve for Pure Iron at constant Pressure

Continuing from previous Question’s concpet, BARC-3: Draw the Free Energy Vs. Temperature curve for Pure Iron at constant Pressure
Continuing from previous Question’s concpet, BARC-3: Draw the Free Energy Vs. Temperature curve for Pure Iron at constant Pressure
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    1. Best Answer
      Platinum⭐ Gate aspirant.
      This answer was edited.

      [caption id="attachment_702" align="alignnone" width="461"] G vs T for pure iron[/caption]

      G vs T for pure iron

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    2. Platinum GATE Metallurgy Coaching | Faculty with 7 years of Teaching Experience | 50% of Selections in all PSUs

      Rohit.km has rightly answered The point that I want to bring forward is that G vs. T curve is drawn for a crystal structure and not for individual solid phases. Hence α and δ ferrite (both BCC) will be part of the same curve while γ (FCC) will be a different curve. And so is the Liquid (L) which hasRead more

      Rohit.km has rightly answered

      The point that I want to bring forward is that G vs. T curve is drawn for a crystal structure and not for individual solid phases.

      Hence α and δ ferrite (both BCC) will be part of the same curve while γ (FCC) will be a different curve. And so is the Liquid (L) which has no long-range order. The phase which has the lowest free energy at that temperature will be stable.

      One more related Q&A can be found in the below link

      Can we change crystal structure of Fe to HCP crystal structure ? And which factors deside a crystal structure of metals?

       

       

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