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Materials Science

Materials Science. Instructor: Prof. S. K. Gupta, Department of Applied Mechanics, IIT Delhi. This course covers lessons in internal energy enthalpy, crystal geometry and structure, non-crystalline solids, phase diagrams and transformation, plastic deformation, conductors, resistors, superconductors and semiconductors. (from nptel.ac.in)

Lecture 19 - Phase Diagrams: Hypoeutectoid Alloy

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Lecture 01 - Introduction

Lecture 02 - Internal Energy Enthalpy

Lecture 03 - Crystal Geometry: Space Lattices

Lecture 04 - Crystal Geometry: Crystal Structures, Crystal Directions and Planes

Lecture 05 - Crystal Structure Determination, X-ray Diffraction (Powder Method)

Lecture 06 - Structure of Solid Materials: Covalently Bonded Solids

Lecture 08 - Close Packing of Spheres of Equal Size (cont.)

Lecture 09 - Structure of Solid Materials: Non-directional Bonding, Ionically Bonded Crystals

Lecture 10 - Non-crystalline Solids: Polymers

Lecture 11 - Polymers (cont.)

Lecture 12 - Crystal Imperfections: Point Imperfections

Lecture 13 - Crystal Imperfections: Dislocations

Lecture 14 - Crystal Imperfections: Dislocations (cont.)

Lecture 15 - Crystal Imperfections: Dislocations (cont.), Surface Imperfections

Lecture 16 - Phase Diagrams: Phase, Phase Equilibrium, Degrees of Freedom

Lecture 17 - Phase Diagrams: Binary Diagrams

Lecture 18 - Phase Diagrams: Eutectic, Eutectoid, Peritectic and Peritectoid Diagrams

Lecture 19 - Phase Diagrams: Hypoeutectoid Alloy

Lecture 20 - Diffusion in Solids

Lecture 21 - Diffusion in Solids (cont.)

Lecture 22 - Phase Transformations: Homogeneous Nucleation

Lecture 23 - Phase Transformations: Heterogeneous Nucleation, Solidification Process

Lecture 24 - Phase Transformations: Glass Transition, Transformations in Steels

Lecture 25 - Transformations in Steels: Eutectoid Steel (cont.)

Lecture 26 - Phase Transformations: Precipitation Hardening, Age Hardening

Lecture 27 - Mechanical Behaviours of Materials

Lecture 28 - Plastic Deformation: Tensile Test, True Stress, Shear Stress

Lecture 29 - Plastic Deformation: Role of Dislocations

Lecture 30 - Plastic Deformation: Strain-Hardening, Effect of Grain Boundary on the Plastic Deformation

Lecture 31 - Strengthening Mechanisms: Creep

Lecture 32 - Fracture

Lecture 34 - Conductors and Resistors

Lecture 35 - Conductors and Resistors (cont.)

Lecture 36 - Superconductors

Lecture 37 - Semiconductors: The Energy Gap in Solids

Lecture 38 - Semiconductors: Intrinsic and Extrinsic Semiconductors