Peritectic Phase Diagrams S.J.T.U. Phase Transformation and Applications Page 12/40 Peritectic transformation A liquid phase and a solid phase can combine to form an entirely new solid phase Weight percent carbon 0 0.2 0.4 0.6 0.8 1600 liquid+solid=solid 1538℃ 150 liquid +solid,solid, 0e =245 L+Y 相律？ 1400 1394C 130 0 2 3 Fe Atomic percent carbon Figure 9.17 The binary phase diagram for carbon(graphite)and iron. SJTU Thermodynamics of Materials Spring 2008 ©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 12/40 Peritectic Phase Diagrams Peritectic transformation A liquid phase and a solid phase can combine to form an entirely new solid phase α β liquid + solid = solid 相律？ δ γ liquid solid =+ solid