Review S.J.T.U. Phase Transformation and Applications 当系统由始态经过某一过程变到终态Ⅱ后,如能使系统再回到原态,同时 也消除了原过程对环境所产生的一切影响,则原来过程称为可逆过程。 H=U+PV dU=TdS-Pdv PW G=H-TS dF =-SdT-Pav F=U-TS G H dG=-SdT+VdP dH TdS +VaP U The chemical potential of the component i. G OH aU =4 On, T,Pnj+m on, )Tv.nj+ni On; )p.S.nj+n O i Jv,S,nj+m SJTU Thermodynamics of Materials Spring2010©X.J.Jin Lecture 6 Property Relation llPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Spring 2010 © X. J. Jin Lecture 6 Property Relation II Review F U TS G H TS H U PV 当系统由始态I经过某一过程变到终态II后,如能使系统再回到原态,同时 也消除了原过程对环境所产生的一切影响,则原来过程称为可逆过程。 dU TdS PdV dF SdT PdV dG SdT VdP dH TdS VdP i i T P n j ni i T V n j ni i P S n j ni i V S n j ni n U n H n F n G , , , , , , , , i The chemical potential of the component i