Subject Code: ML6L018 Name: Principles of Materials Engineering L-T-P: 3-0-0 Credit: 3
Pre-requisite(s): None
Introduction: Solid Engineering Materials- their classification and characteristic properties. Structure of solids: crystal systems/lattices, crystal structure, crystallographic planes and directions, interstitial sites, crystalline metals, ceramics, semiconductors and polymers. Microstructures and metallography; Amorphous or glassy state; Solidification of pure metal: homogeneous and heterogeneous nucleation processes, cooling curve, concept of supercooling, microstructure of pure metals. Defects in solids: point, line, planar and volume defects. Fundamentals of plastic deformation of metals, deformation by slip and twin, plastic deformation in polycrystalline metals, concept of cold working, preferred orientation; Annealing: recovery, recrystallization and grain growth; hot working; Properties of materials: Definition, units and common tests conducted to evaluate important engineering properties like physical, mechanical, chemical, electrical, magnetic, semi/super-conducting, optical, and thermal properties in engineering materials; Concept of formation of alloys: Types of alloys, solid solutions, factors affecting solid solubility, order-disorder transformation; Binary phase diagrams: isomorphous, eutectic, peritectic, eutectoid and peritectoid systems, effect of non-equilibrium cooling: coring and homogenization; Iron-cementite phase diagram: Construction and interpretation of Fe-Fe3C and Fe-Graphite diagrams. Microstructure, and properties of different alloys in steel and cast iron, types of cast iron, their microstructures and typical uses; Heat treatment: T-T-T and C-C-T diagrams, concept of heat treatments of steel: annealing, normalizing, hardening and tempering; microstructural effects brought about by these processes and their influence on mechanical properties. Effect of common alloying elements in steel, concept of hardenability, factors affecting it; Common alloy steels, stainless steel, tool steel, high speed steel, high strength low alloy steel, micro-alloyed steel, specifications of steels; Physical metallurgy of common non-ferrous alloys: Cu-,Al- and Ni- based alloys. Microstructures and heat treatment of common alloys of these systems; Engineering ceramics and polymers: Structure, properties and application of common engineering ceramics and polymers.

Texts / Reference Books:
  1. William D. Callister, Jr.Materials Science and Engineering, Wiley India (P) Ltd.
  2. V.Raghavan, Materials Science and Engineering: A First Course 5th Ed, Prentice Hall of India, New Delhi (2000).
  3. Sidney H. Avner, Introduction to Physical Metallurgy, Tata McGraw-Hill.
  4. Butterworth-Heinemann, Michael Ashby, Hugh Shercliff and David Cebon, Materials Engineering, Science, Processing and Design