ML3303 Physical Metallurgy Syllabus:
ML3303 Physical Metallurgy Syllabus – Anna University Regulation 2021
COURSE OBJECTIVES:
The main learning objective of this course is to prepare students for:
1. Acquiring a sound background in predicting the behaviour of a metallic material to a certain application.
2. Understanding the fundamental principles of Physical Metallurgy
3. Getting familiarized with the interpretation of phase diagrams.
4. Having an insight on the thermodynamics aspect of physical metallurgy
5. Gaining knowledge on the various strengthening mechanisms in materials
UNIT I STRUCTURE OF SOLIDS & SOLIDIFICATION OF PURE METALS
Atomic Bonding & Crystal Structure: Metallic bond, unit cell, atomic packing, interstitial sites, Miller indices, crystal orientation, stereographic projection. Phase rule, Concept of Free Energy, Entropy, Surface Energy (grain boundary) & under cooling, Nucleation & Growth, homogeneous & heterogeneous nucleation, directional solidification. Mechanisms (slip & twin), critical resolved shear stress, single crystal tensile test (FCC), theoretical strength of ideal crystal.
UNIT II CRYSTAL IMPERFECTIONS AND DIFFUSION
Vacancy, interstitial, substitutional, free energy of mixing, dislocation (elementary concepts only), edge / screw dislocation, partial dislocation, stacking fault, dislocation lock, dislocation pile up, Hall Petch relation, grain boundary structure. Elementary concepts of phenomenological & atomistic approaches in Diffusion
UNIT III SOLIDIFICATION OF BINARY ALLOYS
Limits of solubility, isomorphous system, lever rule, constitutional super cooling, effect of nonequilibrium cooling, eutectic, peritectic, eutectoid & peritectoid system, complex phase diagram, ternary diagram, structure of cast metal, segregation & porosity, iron-carbon diagram, steel & cast iron. Phase Diagrams of common commercial alloys: Cu-Ni, Ni-Cr, Al-Si, Al-Zn, Cu-Zn, Cu-Al, TiAl, Ti-V, interpretation of microstructure & properties.
UNIT IV COLD WORKING, ANNEALING AND PRECIPITATION
Recovery, recrystallization & grain growth, phenomenological & mechanistic approaches. Thermodynamics & kinetics of precipitation, precipitation hardening. Need for Heat treatments. Introduction to various Heat treatment processes.
UNIT V APPLICATIONS OF PHYSICAL METALLURGY
Strengthening mechanism, strength vs. toughness (ductility), thermo-mechanical processing, micro alloyed steel, ultra-high strength steel, superalloy, control of texture.
TOTAL: 45 PERIODS
COURSE OUTCOMES:
Upon completion of the Course, the students will be able to
1. Recognize the basic nomenclature, microstructure, and associated terms with the appropriate structure / phenomena and differentiate between related structure / phenomena.
2. Perform simple calculations to quantify material properties and microstructural characteristics.
3. Interpret the effect of composition and microstructure on material properties.
4. Perform phase equilibrium calculation and construct phase diagram.
5. Discuss on the various strengthening mechanisms and thermal mechanical processing.
TEXT BOOKS
1. V. Raghavan, “Materials Science and Engineering”, Prentice –Hall of India Pvt. Ltd., 2015
2. William D. Callister, Jr., “Materials Science and Engineering an Introduction”, 9/e Edition, John Wiley & Sons, Inc., 2014.
REFERENCES:
1. Donald R. Askeland, Pradeep P. Phule, “The Science and Engineering of Materials”, 7th Edition, Thomson Learning, 2015.
2. F. N. Billmayer, “Test Book of polymer science”, John Wiley & Sons, New York, 1994.
3. Kingery, W. D., Bowen H. K. and Uhlmann, D. R., “Introduction to Ceramics”, 2nd Edition, John Wiley & Sons, New York, 1976.
4. Sidney H. Avner, “Introduction to Physical Metallurgy”, Tata Mc-Graw-Hill Inc,2/e, 1997.
5. Vijendra Singh, “Physical Metallurgy”, Standard Publishers Distributors, New Delhi,2012.
6. William F. Smith, “Structure and Properties of Engineering Alloys”, Mc-Graw-Hill Inc., U.S.A, 2nd edition, 1993.