Spinodal Points S.J.T.U. Phase Transformation and Applications Page 17/30 Spinodal points A special significance in the study of phase transformations 1050 1000 950 XA XB 900 850 a Spinodal a2 RT 800 line XAXB 750 2 w卫000 700 c1+g2 650 600 0.25 0.5 0.75 A 绍→ 一 Figure 9.15 The miscibility gap,showing spinodal line. SJTU Thermodynamics of Materials Spring2o07©X.J.Jin Lecture 16 Phase Diagram IlPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Spring 2007 © X. J. Jin Lecture 16 Phase Diagram II Page 17/30 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