Structure of Materials
Structure of Materials. Instructor: Dr. Anandh Subramaniam, Department of Materials Science and Engineering, IIT Kanpur. Atomic arrangement in crystalline solids, defects in crystalline solids, microstructure evolution, quantification of microstructures. Topics includes: bonding in materials; geometry of crystals: symmetry, lattices; Miller indices; crystal structures; defects in crystals; diffusion; phase diagrams; phase transformations; and effect of microstructure on properties.
(from nptel.ac.in)
| Lecture 01 - Overview |
| Geometry of Crystals: Symmetry, Lattices |
| Lecture 02 - Symmetry, Symmetry Operators, Point Groups and Space Groups |
| Lecture 03 - Solids, Definition of Crystal, Constructing 1D, 2D Crystals, Unit Cells |
| Lecture 04 - Review of Concepts related to Lattices, Motifs, Crystals and Unit Cells |
| Lecture 05 - 2D Lattices (cont.), Mystery of Missing Lattices |
| Lecture 06 - Space Filling, Sublattices and Subcrystals |
| Lecture 07 - 3D Lattices: 14 Bravais Lattices |
| Lecture 08 - 3D Lattices: 14 Bravais Lattices (cont.), Making Crystals: 1D |
| Lecture 09 - Making Crystals: 2D, 3D |
| Lecture 10 - Making Crystals: 3D (cont.), 7 Crystal Systems |
| Lecture 11 - 7 Crystal Systems (cont.), Ideal versus Real Crystals, Microstructure |
| Miller Indices |
| Lecture 12 - Microstructure (cont.), Miller Indices: Directions, Family of Directions |
| Lecture 13 - Miller Indices: Family of Planes, Miller-Bravais Indices |
| Crystal Structures |
| Lecture 14 - Miller Indices (cont.), Structure of Solids: Overview and Metallic Solids |
| Lecture 15 - Metallic Crystals |
| Lecture 16 - Metallic Crystals: Diamond Cubic, Packing Fraction, Atomic Density, Voids |
| Lecture 17 - Metallic Crystals: Voids (HCP), Voids in BCC Crystal |
| Lecture 18 - Addition of Alloying Elements: Segregation/Phase Separation, Solid Solution |
| Lecture 19 - Addition of Alloying Elements: Solid Solution (cont.), Intermediate compounds |
| Lecture 20 - Revision of Intermediate Compounds, Crystalline Solids: Ionic Solids |
| Lecture 21 - Crystalline Solids (cont.), Defects in Crystals |
| Defects in Crystals |
| Lecture 22 - Defects in Crystals: Defect Structure, Point Defects |
| Lecture 23 - Defects in Crystals: Point Defects (cont.) |
| Lecture 24 - Defects in Crystals: Dislocations |
| Lecture 25 - Defects in Crystals: Dislocations (cont.) |
| Lecture 26 - Defects in Crystals: Dislocations (cont.) |
| Lecture 27 - Defects in Crystals: Dislocations (cont.) |
| Lecture 28 - Defects in Crystals: 2D Defects |
| Lecture 29 - Defects in Crystals: 2D Defects (cont.) |
| Diffusion in Solids |
| Lecture 30 - Diffusion in Solids: Kirkendall Effect, Fick's Laws |
| Lecture 31 - Diffusion in Solids: Atomic Mechanisms, Applications of Fick's II Law |
| Phase Diagrams |
| Lecture 32 - Phase Diagrams: Definition, The Gibbs Phase Rule |
| Lecture 33 - Phase Diagrams: Unary and Binary Phase Diagrams, Isomorphous System |
| Lecture 34 - Phase Diagrams: Tie Line and Lever Rule, Isomorphous Phase Diagrams |
| Lecture 35 - Phase Diagrams: Eutectic Phase Diagrams |
| Lecture 36 - Phase Diagrams: Peritectic Phase Diagrams, The Fe-Cementite Phase Diagram |
| Phase Transformations |
| Lecture 37 - Phase Transformations: Overview |
| Lecture 38 - Liquid to Solid Phase Transformation: Homogeneous Nucleation |
| Lecture 39 - Heterogeneous Nucleation, Time-Temperature-Transformation (TTT) Diagrams |
| Lecture 40 - Models for Computing Transformation Rate, Phase Transformations in Steel |
| Lecture 41 - Continuous Cooling Transformation (CCT) Curves |
| Lecture 42 - Hardness of Martensite, Overview of Heat Treatment |
| Lecture 43 - Alloy Steels, The Role of Alloying Elements, Precipitation Hardening |
| Lecture 44 - GP zones, Precipitate Coarsening, Glass transition |
| Lecture 45 - Recovery, Recrystallization and Grain Growth, Cold Work and its Effect on Properties |
| References |
Structure of Materials
Instructor: Dr. Anandh Subramaniam, Department of Materials Science and Engineering, IIT Kanpur. Atomic arrangement in crystalline solids, defects in crystalline solids, microstructure evolution, quantification of microstructures.
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