Chapter 10 and 11 There can be a one or two component PD Gibbs Phase Rule o P F C E o P of phases o F Degree of Freedom o C components o E environmental variables o Single Comp E 2 P and T can be varied o Two Comp E 1 P must be const T can vary no solid solubility solid solubility alpha Fe is also Called Ferrite y Fe is also Called Austenite both Fe3c is called the cementite The Lever Rule o m b mb mb x xa xb xa
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