相图的用处2 S.J.T.0. Phase Transformation and Applications Page 5/34 区域熔炼提纯 M 液相 析出固溶体杂质的含 固溶体 量比平衡液相的少 20B 图5-15 区域熔炼示意图 SJTU Thermodynamics of Materials Fall 2011 @X.J.Jin Lecture 17 Phase Diagram IVPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Fall 2011 © X. J. Jin Lecture 17 Phase Diagram IV Page 5/34 相图的用处 2 区域熔炼提纯 析出固溶体杂质的含 量比平衡液相的少