Graphical Representation(2) S.J.T.U. Phase Transformation and Applications GA° GB° GArel GA=μB Ggrel A B GB=μB B→ Figure 7.5 Plot of G versus xB to show geometrical relationships between molar Gibbs free energy and mole fraction of B.(Note free choice of level for Ga and G8.) SJTU Thermodynamics of Materials Spring 2006 ©X.J.Jin Lecture 13 Solution IlPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Spring 2006 © X. J. Jin Lecture 13 Solution II Graphical Representation (2)