Lecture 1 - Introduction to the Course and Thermodynamics Refresher
Lecture 2 - The Second law of Thermodynamics
Lecture 3 - Application of Second law and Illustration of Intermixing as Irreversible Process
Lecture 4 - Equilibrium, Stability and Phase Diagrams in Single Component Systems
Lecture 5 - Third Law of Thermodynamics and Numerical Examples
Lecture 6 - Thermodynamic Activity and Gibbs Free Energy of Mixing
Lecture 7 - Entropy of mixing of Multicomponent Ideal Solution
Lecture 8 - Regular Solution Model: Application to Ternary System
Lecture 9 - Gibbs Free Energy-Composition Curves, Phase Diagrams and Gibbs Phase rule
Lecture 10 - Exercise: Solution Thermodynamics
Lecture 11 - Driving force for Diffusion, Chemical Potentials and Concentrations
Lecture 12 - Diffusion flux and Frames of Reference
Lecture 13 - Fick’s Law
Lecture 14 - Exercise: Deriving Sigma Cosine for any Cubic Lattice
Lecture 15 - Fick's Law for Multicomponent Diffusion
Lecture 16 - Diffusion Equation and Solution to Steady State Diffusion
Lecture 17 - Conversion of Set of Interdiffusion Coefficients from One Dependent Compared to Another
Lecture 18 - Refresher on Laplace Transform
Lecture 19 - Error Function and Its Laplace transform
Lecture 20 - Instantaneous Planar Source: Solution to Diffusion Equation and Its Applications
Lecture 21 - Solution to Diffusion Equation for Semi-Infinite Slab and Its Application in Carburizing of Steel
Lecture 22 - Solution to Diffusion Equation for Binary Diffusion Couple
Lecture 23 - Solution to Diffusion Equation for Multicomponent Diffusion Couple
Lecture 24 - Nature of Concentration Profiles in Binary and Multicomponent Diffusion Couples
Lecture 25 - Numerical Problems
Lecture 26 - Homogenization of Multicomponent alloys
Lecture 27 - Solution to Diffusion Equation: Periodic Boundary Conditions
Lecture 28 - Energetics of Vacancy Formation
Lecture 29 - Experimental Determination of Enthalpy of Vacancy Formation
Lecture 30 - Mechanisms of Diffusion in Metals and Alloys
Lecture 31 - Point Defects in Intermetallics and Ionic Compounds
Lecture 32 - Diffusion Mechanisms in Intermetallics
Lecture 33 - Theory of Random Walk: Mean Squared Displacement
Lecture 34 - Physical Significance of Diffusivity: Einstein-Smoluchowski Equation
Lecture 35 - Derivation of Correlation Factors in Cubic Crystals by Vacancy Mechanism
Lecture 36 - Correlation Factors for Substitutional Diffusion by Vacancy Mechanism in FCC Crystal
Lecture 37 - Correlation Effects in BCC and Diamond Cubic for Vacancy Mechanism
Lecture 38 - Practice Problems
Lecture 39 - Deriving Relation Between Diffusion Flux and Chemical Potential Gradients
Lecture 40 - Atomic Mobility, Diffusivity and Diffusion Under External Driving Force
Lecture 41 - Non-Ideality as Driving Force
Lecture 42 - Theory of diffusion
Lecture 43 - Experimental Determination of Interdiffusion Coefficients: Boltzmann Matano Analysis
Lecture 44 - Analysis of Interdiffusion Fluxes in Multicomponent Diffusion Couples
Lecture 45 - Various Techniques for Experimental Determination of Multicomponent Interdiffusion Coefficients
Lecture 46 - Experiement Determination of Interdiffusion Coefficients: Examples from Literature
Lecture 47 - Intrinsic Diffusion and Kirkendall Effect
Lecture 48 - Experiemental Determination of Intrinsic Diffusion Coefficients
Lecture 49 - A Brief Introduction to Ternary Phase Diagram
Lecture 50 - Multiphase Diffusion: Diffusion Paths and Diffusion Structures
Lecture 51 - Interdiffusion Analysis of Multiphase Diffusion Couples