Driving force of polymorphism

  • #1

Main Question or Discussion Point

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?
 

Answers and Replies

  • #2
94
1
The driving force for poly morphism in metal alloys is difference in free energies of two phases at different temperatures
 

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