NPTEL : NOC:Mechanical Behaviour of Materials - Part I (Metallurgy and Material Science)

Co-ordinators : Prof. Shashank Shekhar, Prof. Sudhanshu Shekhar Singh


Lecture 1 - Introduction

Lecture 2 - Origin of Elasticity

Lecture 3 - Stress as a Tensor

Lecture 4 - Principal Stress

Lecture 5 - Mohr's Circle

Lecture 6 - Stress-Strain Relation

Lecture 7 - Viscoelasticity

Lecture 8 - Tensile Testing

Lecture 9 - Universal Testing Machine

Lecture 10 - Flow Stress

Lecture 11 - Yield Criterions: Basics

Lecture 12 - Yield Criterions: Tresca, Von-Mises

Lecture 13 - Effective Stress_Effective Strain

Lecture 14 - Plastic Instability

Lecture 15 - Effect of Strain-rate and Temperature

Lecture 16 - Dislocations: Discovery

Lecture 17 - Dislocations: Fundamentals

Lecture 18 - Dislocations: Characteristics

Lecture 19 - Stress and Strain Fields of Dislocations

Lecture 20 - Energy of Dislocations

Lecture 21 - Dislocation Motion Glide

Lecture 22 - Cross-slip of Dislocations

Lecture 23 - Climb motion of Dislocations

Lecture 24 - Steps in Dislocations

Lecture 25 - Slip Systems

Lecture 26 - More on Slip Systems

Lecture 27 - Critical Resolved Shear Stress

Lecture 28 - Dislocation Interactions

Lecture 29 - Image Forces

Lecture 30 - Partial Dislocations

Lecture 31 - Strengthening Mechanisms

Lecture 32 - Precipitation Strengthening: Basic Criteria

Lecture 33 - Precipitation Strengthening: Precipitate Characteristics

Lecture 34 - Precipitation Strengthening: Mechanisms

Lecture 35 - Effect of Temperature: Dispersion Strengthening

Lecture 36 - Solid Solution Strengthening: Basics

Lecture 37 - Solid Solution Strengthening: Interaction with Dislocations

Lecture 38 - Solid Solution Strengthening: Yield Point Phenomenon

Lecture 39 - Grain Boundary Strengthening

Lecture 40 - Strain Hardening: Single Xtal and Poly Crystal Deformation, Tylor Hardening

Lecture 41 - Strain Hardening: Dislocation Multiplication, Intersection and Locks

Lecture 42 - Summary of Strengthening Mechanisms

Lecture 43 - Hardness Testing

Lecture 44 - Impact Testing

Lecture 45 - Mechanical Behaviour of Composites