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driving force of polymorphism |
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| Nov6-11, 11:11 PM | #1 |
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driving force of polymorphism
I was wondering what the driving force behind polymorphism is. What causes polymorphic materials to change crystal structures at certain temperatures? Such as the iron phases alpha-ferrite, gamma-austenite, delta-ferrite, hexaferrum?
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| Nov12-11, 08:38 AM | #2 |
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The driving force for poly morphism in metal alloys is difference in free energies of two phases at different temperatures
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