This book is designed to suit the needs of the senior and graduate metallurgist in acquainting him with the fundamentals of the physical chemistry and the thermodynamics of metals and metallurgical processes. In this book the attempt is made to include this physical chemistry in simple terms and to present the fundamentals of chemical thermodynamics so that the student may be able to understand the thermodynamic method and apply it to metallurgical problems. The first portion summarizes modern views on the chemistry of the metallic state and briefly sketches the chemistry of other states with which the metallurgist must perforce deal. The later portions deal with thermodynamics, the treatment being mostly in the classical manner but with metallurgical applications and limitations always in mind. The sections on heterogeneous equilibrium discuss in some detail phases of variable composition, since these are commonplace at elevated. Temperature, particularly in metallurgical systems. The chapters on the thermodynamics of the iron-carbon and iron-nitrogen systems are believed more comprehensive than can be found in the present literature. Although a large share of this book is devoted to the treatment of equilibrium, an introduction to reaction-rate phenomena in the final chapters serves at least as token acknowledgment of the great importance of this rapidly growing field.
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