Phase Equilibria in Materials (Nature & Properties of Materials-II)

Week 1 : Introduction, Thermodynamic aspects of phase formation and phase equilibrium, Mixing of atoms Week 2 : Thermodynamics of mixing in binary solutions: Ideal and Regular Solutions, Real Solutions Week 3 : Systems with intermediate phases, Equilibrium in Heterogenous systems, Free energy composition diagrams and their use in determining phase diagrams Week 4 : Types of Phase diagrams and reactions, Gibbs phase rule and its applications to phase diagrams, Invariant reactions, Tie-line and Lever rule Week 5 : Binary Phase Diagrams: Applications of tie-line and lever rules to determine phase compositions and fractions, Microstructure evolution under equilibrium and non-equilibrium cooling conditions, Examples of Phase diagrams and their correlations with microstructures in common alloy systems. Week 6 : Examples of Phase diagrams and their correlations with microstructures in common alloy systems: Fe-C, Cu-Zn systems Week 7 : Experimental determination of phase diagrams, Ternary phase diagrams Week 8 : Ternary Phase diagrams and Course summary