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What is material science and metallurgy ?
Materials Science and metallurgy combines engineering, physics and chemistry principles to solve real-world problems associated with nanotechnology, biotechnology, information technology, energy, manufacturing and other major engineering disciplines
Materials Science combines engineering, physics and chemistry principles to solve real-world problems associated with nanotechnology, biotechnology, information technology, energy, manufacturing and other major engineering disciplines
SYLLABUS
MODULE-1
Introduction,Crystalline Solids,Defects in Crystals:
Classification of Materials:Metals,composites,ceramics,polymers. Advanced materials:Semiconductors, biomaterials, smart materials, nano materials, modern material’s needs.Structure of Crystalline Solids: Fundamental concepts, arrangement of atoms and packing density in unitcells-BCC, FCC, HCP, density computations, numerical problems. DeterminationofcrystalstructuresthroughX-raydiffractiontechniques(principlesonly).
Defects in Crystals: Classification of crystal imperfections, point defects, line defects, volume defects. Microscopicexamination :Basicconceptsinmicroscopy,microscopictechniques-Opticalmicroscopy, Scanning electron microscopy, Transmission electron microscopy.
MODULE-2
Diffusion:
Introduction, diffusion mechanisms, Fick’s laws for steady state and non-steady state diffusion. Factors affectingdiffusion.Numericalproblemsondeterminingthedepthofdiffusion,time of diffusion and diffusion cycles. Diffusion in semiconducting materials.
MODULE-3
Mechanical Properties of Metals:
Stress,strain,Concepts of loading: tensile,compressive,shear and torsion. Elastic deformation: Stress-strain behaviour ,elastic properties of materials.
Plastic deformation,tensile properties,tensile strength,ductility,Resilience,Toughness, True stress and true strain. Hardness, Hardness tests. Dislocations and strengthening mechanisms. Fatigue properties and tests. factors affecting the fatigue behaviour. Creep properties and tests, factors affecting the creep behaviour.
MODULE-4
Phase Diagrams and Phase Transformations:
Concept of solid solution formations and fundamentals of phase diagrams, unary and binary phase systems, rules governing formation of iso-morphous phase systems,Construction,development of microstructures and interpretation of Cu-Ni, Pb-Sn and Cu-Ag phase systems, discussion on mechanical properties.
Iron-Iron carbide phase diagram: Eutectic, eutectoid and peritectic phase reactions in Fe-Fe3C system, Development of micro structures, interpretation and numerical problems in Fe-Fe3C system. Properties and Designations for steels and cast irons.
Basic concepts of phase transformations, homogeneous nucleation, derivation of critical radius and change in free energy. Iso-thermal transformation diagram and Continuous cooling transformation diagrams: Construction, interpretation, microstructures formed, properties of Iron-carbon alloys.
Heat treatment: Objectives,annealing,hardening concepts.
MODULE 5
Composites,Ceramics and Polymers:
Classification,particle reinforced composites,fibre reinforced composites,structural composites.Expressions for elastic modulus of composites with axial and transverse loading. Ceramics basics, types and applications of glasses,clay products,refractories,abrasives,cements. Polymers:Factors influencing melting and glass transition temperatures,plastics,elastomers,Fibers.
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