Nomenclature S.J.T.0. Phase Transformation and Applications Page12/45■ Phase:相 Component:组元 Degrees of freedom:自由度 Phase rule:相律 Phase diagram:相图 One-component system:单元系 SJTU Thermodynamics of Materials Fall 2010 X.J.Jin Lecture 13 Phase RulePhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Fall 2010 © X. J. Jin Lecture 13 Phase Rule Page 12/45 Nomenclature Phase: 相 Component: 组元 Degrees of freedom: 自由度 Phase rule: 相律 Phase diagram: 相图 One-component system：单元系