# GTU Metallurgical Thermodynamics Syllabus

GUJARAT TECHNOLOGICAL UNIVERSITY

B.E Semester: 3

Metallurgy Engineering

Subject Code 132102

Subject Name Metallurgical Thermodynamics

Sr.No Course content

1. Importance of thermodynamics, Definition of thermodynamic terms,

Concept of system, states and equilibrium, Types of system, Extensive and

intensive properties, Homogeneous and heterogeneous systems, Quasistatic

process, Zeroth law of thermodynamics.

2. First law of thermodynamics, Internal energy, Heat capacity, Specific heat

and latent heat, Enthalpy, Isothermal and adiabatic processes, State

properties, Heat of reaction, Heat of formation, Standard heats, Heat of

transition, Hess’s law, Kirchoff’s law equation.

3. Second law of thermodynamics, Entropy of irreversible processes, Auxiliary

functions, Combined statements of 1st and 2nd laws, Maxwell’s relations,

Clausius-Clapeyron equation, Gibb’s-Helmholtz relations.

4. Third law of thermodynamics, Temperature dependence of entropy,

Stastical interpretation of entropy, Relation between Cp and Cv ,

Consequences of third law, Nernst heat theorem, Equilibrium constant,

Van-Hoff equation, Concept of fugacity, activity and mole fraction.

5. Ellingham diagram in detail for metal oxides, Activity, Gas phase

reactions

(H2O- H2 and CO2 -CO mixtures), Reactions involving solid and gases,

Activities in concentrated solution, Activity in industrial liquid metallic

solution.

6. Thermodynamics of solutions, Gibb’s-Duhem equation, Partial molar

properties of mixing, Ideal solution, Raoult’s law, Henry’s law, Non-ideal

solution, Excess functions, Concept of 1 wt% standard state and Interaction

coefficient, Regular solutions, Sievert’s law-residual gases in steel.

7. Phase relations and phase rule-its aplications, Free energy-composition

and temperature-composition diagrams for binary alloy systems and their

corelation, determination of liquidus, solidus and solvus lines, Effect of

pressure on phase transformation and phase equilibria.

8. Functions of slags, Slag compositions, Structure of molten slags, Molecular

theory, Concept of basicity index, Thermodynamics of slag-metal reactions.

Term Work: Numerical problems based on the concepts mentioned in above

units.

Reference Books:

1) Introduction to Metallurgical Thermodynamics, R. H. Tupkary, T. U. Publishers.

2) Introduction to Materials and Metallurgical Thermodynamics, A. Ghosh, PHI.

3) Physical Chemistry of Metals, L. S. Darken and R. W. Gurry, McGraw Hill.

4) Problems in Metallurgical Thermodynamics and Kinetics, G. S. Upadhyaya and R. K. Dube, Pergamon Press.