Module 1
lec 1
Concept of free energy, enthalpy and entropy Gibb’s free energy, total energy
Lec2
Gibb’s free energy change with temperature in a single component system, Stability of the phases in a
single component system, Variation of G, H and S with T, activation energy
Lec3
Thermodynamic parameters in a binary system, enthalpy, entropy
Lec4
Thermodynamics and phase diagrams
Lec5
Concept of chemical potential and activity, Equilibrium conditions, Gibb’s Duhem relation
Lec6
Point defects, Equilibrium point defect, Equilibrium vacancy concentration, Positron annihilation
measurements
Lec7
Equilibrium concentration of interstitial atoms, FCC crystal, BCC unit cel
Lec8
Defects in the ordered phases, molar volume, lattice parameter
Lec9
Calculation of thermodynamic parameters
Module 2
Lec 10
Fick’s laws of diffusion,
Lec 11
Fick’s Law,
Solution in semi infinite diffusion couples, error function analysis, error function values,
Lec12
Solution for homogeneization, separation of variables, diffusion couples
Module 3
Lec13
Diffusion under chemical potential gradient, the composition profiles in an interdiffusion zone and
diffusion as a tool to make products
Lec14
Driving force for diffusion, Fick’s laws of diffusion, Oxidation of metal