Applied Thermodynamics Free Energy-Composition Relationships for Binary Substitutional Solid Solutions Free Energy-Composition Diagram and Applications to Driving Force Calculations Thermodynamics of Interstitial Solid Solutions through Application to the Proeutectoid Ferrite Reaction in Fe-C Alloys Diffusional Nucleation in Solid-Solid Transformations Introduction through Qualitative General Statements Brief Comparative Survey of Nucleation in the Four Basic Types of Phase Transformation Outline of Approach for Development of Nucleation Theory Proof that the Equilibrium Concentration of Critical Nuclei Is Proportional to exp(_DG*=kT) Fictitious Equilibrium Nucleation Rate Derivation of Steady-State Nucleation Rate Estimation of b* Time-Dependent Nucleation Rate Feder et al.'s Treatment of t Time-Dependent Nucleation Rate for Homogeneous Nucleation with Isotropic g Ancillary Parameters Preliminary Consideration of the Approximation for f DGvpW Nonclassical Nucleation Theory Mo...