Peritectic Phase Diagrams S.J.T.U. Phase Transformation and Applications Page 20/30 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 0.8 160 liquid +solid solid B 1538℃ L+6 0.7414939 liquid+solid。=solid 1500 SFe 2.43 0.40 6+y 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 Spring2007©X.J.Jin Lecture 16 Phase Diagram llPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Spring 2007 © X. J. Jin Lecture 16 Phase Diagram II Page 20/30 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