NPTEL : NOC:Phase Transformation in Materials (Mechanical Engineering)

Co-ordinators : Dr. Krishanu Biswas


Lecture 1 - Brief Introduction

Lecture 2 - Define Phase, Equilibrium

Lecture 3 - Free Energy, Stability of Phases

Lecture 4 - Gibbs Free Energy of Binary Solution

Lecture 5 - Ideal Solution and Chemical Potential

Lecture 6 - Thermodynamics of solid solutions

Lecture 7 - G vs X curves

Lecture 8 - Solid solutions: Types

Lecture 9 - Heterogeneous phase equilibria

Lecture 10 - G vs X curves for eutectic system

Lecture 11 - G-X plot for peritectic system

Lecture 12 - Effect of temperature of solid solubility, Influence of interfaces on Equilibrium

Lecture 13 - Introduction of Diffusion

Lecture 14 - Mechanism of Diffusion, Fick's I law

Lecture 15 - Fick's II law

Lecture 16 - Fick's II law (Continued...), Diffusion and Temperature

Lecture 17 - Interfacial Free Energy,Solid/Vapor Interface

Lecture 18 - Boundaries in single phase solids

Lecture 19 - High angle grain boundaries, Equilibrium in poly-crystalline materials, Interphase interfaces in solids

Lecture 20 - Interphase interfaces in solids (Continued...)

Lecture 21 - CSL Boundaries

Lecture 22 - Types of Nucleations

Lecture 23 - Homogeneous Nucleation

Lecture 24 - Homogeneous Nucleation (Continued...)

Lecture 25 - Heterogeneous Nucleation

Lecture 26 - Heterogeneous nucleation (Continued...)

Lecture 27 - Growth

Lecture 28 - Atomic mechanism of growth

Lecture 29 - Dendritic Solidification

Lecture 30 - Growth rate for dendrite formation

Lecture 31 - Alloy solidification

Lecture 32 - Alloy solidification (Continued...)

Lecture 33 - Eutectic: Solidification

Lecture 34 - Eutectic: solidification (Continued...)

Lecture 35 - Solidification of casting / ingot

Lecture 36 - Precipitation hardenable alloy

Lecture 37 - Precipitation age- hardening alloy (Continued...)

Lecture 38 - Age hardening alloy

Lecture 39 - Eutectoid transformation

Lecture 40 - Eutectoid transformation (Continued....)

Lecture 41 - Eutectoid transformation in steel (Continued...)

Lecture 42 - Martensite

Lecture 43 - Martensite (Continued...)

Lecture 44 - Martensite (Continued...) and TTT curves

Lecture 45 - TTT diagram

Lecture 46 - Recovery, Recrystallization and Grain growth

Lecture 47 - Recovery

Lecture 48 - Recrystallization

Lecture 49 - Recrystallization (Continued...)

Lecture 50 - Introduction to spinodal decomposition