Spinodal Points S.J.T.U. Phase Transformation and Applications Page 8/40 Spinodal points A special significance in the study of phase transformations 1050 =)a-0 1000 950 XB 900 850 Spinodal a2 RT 800 line XAXB 750 2 w口000 700 c1+g2 650 600 0.25 05 0.75 A 8 一 Figure 9.15 The miscibility gap,showing spinodal line. SJTU Thermodynamics of Materials Spring2008©X.J.Jin Lecture 17 Phase Diagram IllPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Spring 2008 © X. J. Jin Lecture 17 Phase Diagram III Page 8/40 Spinodal points A special significance in the study of phase transformations 02) 11 ( 2 2 =−+= ⎟⎟⎠⎞ ⎜⎜⎝⎛ ∂∂ ϖ B T BA M xx RT xG 2ϖ RT xx BA = Spinodal Points