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Course Outcomes :
Course Outcomes :
At the end of the course, students will be able to:
CO1: Analyze the structure of materials at different levels
CO2: Understand concept of mechanical behavior of materials and calculations of same using appropriate equations
CO3: Explain the concept of phase and phase diagram and understand the basic terminologies associated with metallurgy
CO4: Understand and suggest the heat treatment process and types
CO5: Prepare samples of different materials for metallography
CO6: Understand the strengthening mechanisms and suggest appropriate NDT technique
Course Contents:
Course Contents:
Unit 1: Structure of Materials
Crystal structures, indexing of lattice planes, Indexing of lattice directions, Imperfections in crystals-point defects, line defects, surface and bulk defects, Mechanism of plastic deformation, deformation of single crystal by slip, plastic deformation of polycrystalline materials.
Unit 2: Mechanical Properties and Their Testing
Tensile test, engineering stress-strain curve, true stress-strain curve, types of stress-strain curves, compression test, bend test, torsion test, formability, hardness testing, different hardness tests-Vickers, Rockwell, Brinnel, Impact test, fatigue test, creep test.
Unit 3: Equilibrium Diagrams
Definitions of terms, rules of solid-solubility, Gibb‟s phase rule, solidification of a pure metal, plotting of equilibrium diagrams, lever rule, Iron-iron carbide equilibrium diagram, critical temperatures, solidification and microstructure of slowly cooled steels, nonequilibrium cooling of steels, property variation with microstructures, classification and application of steels,, specification of steels, transformation products of austenite, TTT diagram, critical cooling rate, CCT diagram.
Unit 4: Heat Treatment
Heat treatment of steels, cooling media, annealing processes, normalizing, hardening, tempering, quenching and hardenability, surface hardening processes-nitriding, carbonitriding, flame hardening, induction hardening.
Unit 5: Metallography
Microscopy, specimen preparation, polishing abrasives and cloths, specimen mounting, electrolytic polishing, etching procedure and reagents, electrolytic etching, optical metallurgical microscope, macroscopy, sulphur printing, flow line observations, examination of fractures, spark test, electron microscope
Unit 6: Strengthening Mechanisms and Non-destructive Testing
Refinement of grain size, cold working/strain hardening, solid solution strengthening, dispersion strengthening, Precipitation hardening. Magnetic particle inspection, dye penetrant inspection, ultrasonic inspection, radiography, eddy current testing, acoustic emission inspection.
Books:
Books:
Texts:
Texts:
V. D. Kodgire, S.V. Kodgire, “Material Science and Metallurgy for Engineers”, Everest Publishing House, Pune, 24th edition, 2008.
W. D. Callister, “Materials Science and Engineering: An Introduction”, John Wiley and Sons, 5 th edition, 2001.
V. Raghvan, “Material Science Engineering”, Prentice Hall of India Ltd., 1992.
S. H. Avner, “Introduction to Physical Metallurgy”, Tata McGraw Hill, 2 nd edition, 1997.
R. A. Higgins, “Engineering Metallurgy: Part I”, ELBS, 6 th edition, 1996.
References:
References:
V. B. John, “Introduction to Engineering Materials”, ELBS, 6 th edition, 2001.
G. F. Carter, D. E. Paul, “Materials Science and Engineering”, ASM International, 3 rd edition, 2000.
T. E. Reed-Hill, R. Abbaschian, “Physical Metallurgy Principles”, Thomson, 3 rd edition, 2003.
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