Binary Phase Diagrams S.J.T.0. Phase Transformation and Applications Page 10/36 In condensed systems,modest variations in pressure do not appreciably alter phase relationship Phase rule for condensed system F=C-P+1 It is possible to plot phase stability regions for two-component(binary) systems in two dimensions.C=2.F=3-P Composition on abscissa(horizontal axis) Temperature on the ordinate(vertical axis) T-x SJTU Thermodynamics of Materials Fall 2011 ©X.J.Jin Lecture 14 Phase diagram IPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Fall 2011 © X. J. Jin Lecture 14 Phase diagram I Page 10/36 Binary Phase Diagrams Phase rule for condensed system In condensed systems, modest variations in pressure do not appreciably alter phase relationship F = C − P +1 It is possible to plot phase stability regions for two-component (binary) systems in two dimensions. C=2, F=3-P Composition on abscissa (horizontal axis) Temperature on the ordinate (vertical axis) T - x