Course Details
Subject {L-T-P / C} : MM5534 : Nano-structured Materials { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Rajesh Kumar Prusty
Syllabus
Introduction: Background, Approaches towards “Nano Technology”, Types of nanostructured materials, Emergence of nanotechnology, Challenges in nanotechnology.
Fundamentals of nanomaterials: Understanding of nanomaterials, Surface Energy, Stability and surface energy, Surface relaxation, Surface restructuring, Surface adsorption, Composition segregation
Synthesis of nanoparticles: Approaches towards synthesis of nanomaterials, Top-Down approach, Bottom-Up approach, Synthesis of nanoparticles by Nucleation and Growth principle, Nanoparticle synthesis by Homogeneous nucleation, Homogeneous Nucleation, Rate of nucleation, Growth, Growth – controlled by diffusion, Growth – controlled surface process, Comparison of growth mechanisms, Advantages of nanoparticle synthesis through solvent, Metal nanoparticle synthesis, Gold nanoparticle synthesis, Rhodium nanoparticle synthesis, Vapour phase synthesis, Solid phase synthesis, Nanoparticles through Heterogeneous Nucleation: Fundamental concepts
Bulk Nanostructured Materials: Introduction, Severe Plastic Deformation, Grain refinement mechanism during SPD, Methods of SPD, Equal channel angular pressing, High Pressure Torsion, Accumulative Roll Bonding, Mechanical alloying, Cryomilling, Ball Milling of Metal matrix Composites
Properties and Characterization of Nanostructured materials: Structural characterization, X-ray diffraction, Scanning Electron Microscopy, Transmission electron microscopy, Mechanical Characterization, Nanoindentation, Mechanical properties of nanocrystalline materials, Strength, Tensile ductility, Strain hardening, Strain rate sensitivity, Localized Deformation, Creep, Superplasticity, Deformation mechanisms, Hall-Petch relationship, Dislocation pile-up model, Grain Boundary Ledge Model, Limitations in the Extension of Hall–Petch Models to Nanocrystalline Metals
Course Objectives
- Students will acquire basic fundamental knowledge on different types of nanostructured materials.
- Students will get some idea on current cutting edge research trends on the nanostructured materials.
Course Outcomes
1. Understanding on various types of nanostructured materials. <br />2. Prospects and challenges associated with nanostructured materials. <br />3. Structure-property relationship analysis
Essential Reading
- Guozhong Cao, Nanostructures & Nanomaterials, Imperial College Press
- Michael J. Zehetbauer and Yuntian Theodore Zhu, Bulk Nanostructured Materials, WILEY-VCH
Supplementary Reading
- Yury Gogotsi, Nanomaterials Handbook, CRC Press
- G. Q. Lu and X. S. Zhao, Nanoporous Materials, Imperial College Press