两相区的组成和数量解析 S.J.T.0. Phase Transformation and Applications Page 11/40 1050 1000 950 900 850 a1 Spinodal 800 line 760K 750 700 012 650 600 0.75 1X=0.1 xB十= 02XB=0.98 Figure 9.15 The miscibility gap,showing spinodal line. I:XB-0.2 IⅡ：XB=0.5 体系 I:3=0.2 l:x3=0.5 平衡组成 01 02 01 02 X8=0.1 3=0.9 ×3=0.1 X3=0.9 平衡相的量 718 1/8 4/8 4/8 ○T0 mhemmouyna5 o Matena5 all 2011Phase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Fall 2011 © X. J. Jin Lecture 16 Phase Diagram III Page 11/40 两相区的组成和数量解析 760K I: xB=0.2 II: xB=0.5 α1: xB=0.1 α2: xB=0.9 体系 I：xB＝0.2 II：xB＝0.5 平衡组成 α1 α2 α1 α2 xB＝0.1 xB＝0.9 xB＝0.1 xB＝0.9 平衡相的量 7/8 1/8 4/8 4/8