MATERIAL SCIENCE AND ENGINEERING (21ME33)

MATERIAL SCIENCE AND ENGINEERING

Course Code 21ME33 
CIE Marks 50
Teaching Hours/Week (L:T:P: S) 3:0:2*:0 
SEE Marks 50
Total Hours of Pedagogy 40 hours Theory + 12 Lab slots 
Total Marks 100
Credits 04 
Exam Hours 03

MODULE-1

Structure of Materials Introduction: Classification of materials, crystalline and non-crystalline solids, atomic bonding Geometrical Crystallography: Symmetry elements: the operation of rotation, Proper and Improper rotation axes, Screw axes, Glide planes Crystal Structure: Crystal Lattice, Unit Cell, Planes and directions in a lattice, Planar Atomic Density, packing of atoms and packing fraction, Classification and Coordination of voids, Bragg’s Law Imperfections in Solids: Types of imperfections, Point defects: vacancies, interstitials, line defects, 2-D and 3D-defects, Concept of free volume in amorphous solids.

MODULE-2 

Physical Metallurgy Alloy Systems: Classification of Solid solutions, Hume- Rothery Rules Phase Diagrams: Gibbs Phase Rule, Solubility limit, phase equilibria and Phase Diagrams: Isomorphous systems, Invariant Binary Reactions, Lever Rule; important phase- diagrams , Iron-Carbon Diagram. Diffusion: Diffusion-Fick’s Laws, Role of imperfections in diffusion.

MODULE-3

Nucleation and growth: Introduction to homogeneous and heterogeneous nucleation, critical radius for nucleation. Plastic Deformation: Slip, Twinning; Recovery- Recrystallization-Grain Growth, Introduction to Strengthening mechanisms. Lever rule and phase diagram. Heat treatment: Annealing, Normalizing, hardening, Tempering, Nitriding, Cyaniding, Induction Hardening and Flame Hardening, Recent advances in heat treat technology. TTT diagram, microstructural effects brought about by these processes and their influence on mechanical properties. 

MODULE-4

Surface coating technologies: Introduction, coating materials, coating technologies, types of coating, advantages and disadvantages of surface coating. Powder metallurgy: Introduction, Powder Production Techniques: Different Mechanical and Chemical methods, Characterization of powders (Particle Size & Shape Distribution), Powder Shaping: Particle Packing Modifications, Lubricants & Binders, Powder Compaction & Process, Sintering and Application of Powder Metallurgy.

MODULE 5

Materials Selection The need for material selection in design, the evolution of Engineering materials. The Design Process and Materials Data: Types of design, design tools and materials data, processes of obtaining materials data, materials databases Engineering Materials and Their Properties: The classes of engineering materials and their structure, material properties: mechanical properties, functional properties. Material Selection Charts: Selection criteria for materials, material property Charts, deriving property limits and material indices, materials indices which include shape.

PRACTICAL COMPONENT OF IPCC

Sl.NO Experiments

1 Specimen preparation for macro and micro structural examinations and study the macrostructure and microstructure of a sample metal/ alloys-

2 To study the crystal structure of a given Cast Iron, Mild steel, Aluminium and Copper/Brass specimens and study the crystal imperfections in a given Cast Iron, Mild steel and Aluminium specimens.

3 Study the heat treatment processes (Hardening and tempering) of steel/Aluminium specimens.25

4 To determine the hardness values of Mild Steel/ Aluminium by Rockwell hardness/Vickers Hardness.

5 To determine the hardness values of Copper/ Brass by Brinell’s Hardness testing machine.

6 To study the creep behaviour of a given Cast Iron or Aluminium specimen.

7 To study of microstructure of welding Mild Steel components and Heat affected zone (HAZ) macro and micro examinations

8 To determine the tensile strength, modulus of elasticity, yield stress, % of elongation and % of reduction in area of Cast Iron, Mild Steel/Brass/ Aluminium and to observe the necking.

9 To conduct a wear test on Mild steel/ Cast Iron/Aluminium/ Copper to find the volumetric wear rate and coefficient of friction.

10 Study the chemical corrosion and its protection. Demonstration

11 Study the properties of various types of plastics. Demonstration

12 Computer Aided Selection of Materials: Application of GRANTA Edupack for material selection: Case studies based on material properties. Demonstration

Suggested Learning Resources:
Text Books:

1. Ashby, M.F. (2010), Materials Selection in Mechanical Design, 4th Edition, Butterworth- Heinemann.

2. Azaroff, L.V., (2001) Introduction to solids, 1st Edition, McGraw Hill Book Company.

3. Avner, S.H., (2017), Introduction to Physical Metallurgy, 2nd Edition, McGraw Hill Education.

4. Powder Metallurgy Technology, Cambridge International Science Publishing,2002.

Reference Books

1. Jones, D.R.H., and Ashby,M.F., (2011), Engineering Materials 1: An Introduction to Properties, Application and Design, 4th Edition, Butterworth-Heinemann.

2. Jones, D.R.H., and Ashby,M.F., (2012), Engineering Materials 2: An Introduction to Microstructure and Processing, 4th Edition, Butterworth-Heinemann.

3. Callister Jr, W.D., Rethwisch, D.G., (2018), Materials Science and Engineering: An Introduction, 10th Edition, Hoboken, NJ: Wiley.

4. Abbaschian, R., Abbaschian, L., Reed-Hill, R. E., (2009), Physical Metallurgy Principles, 4th Edition, Cengate Learning.

5. P. C. Angelo and R. Subramanian: Powder Metallurgy- Science, Technology and Applications, PHI, New Delhi,2008.

Web links and Video Lectures (e-Resources):

1. Bhattacharya,B., Materials Selection and Design, NPTEL Course Material, Department of Mechanical Engineering, Indian Institute of Technology Kanpur, http://nptel.ac.in/courses/112104122/

2. Prasad, R., Introduction to Materials Science and Engineering, NPTEL Course Material, Department of Materials Science and Engineering, Indian Institute of Technology Delhi,http://nptel.ac.in/courses/113102080/

3. Subramaniam, A., Structure of Materials, NPTEL Course Material, Department of Material Science and Engineering, Indian Institute of Technology Kanpur,https://nptel.ac.in/courses/113104014/

4. Schuh, C., 3.40J Physical Metallurgy. Fall 2009. Massachusetts Institute of Technology: MIT Open Course Ware, https://ocw.mit.edu. License: Creative Commons BY-NC-SA.

5. Ghosh, R.N., Principles of Physical Metallurgy, IIT Kharagpur, http://nptel.ac.in/syllabus/113105024/

Activity Based Learning (Suggested Activities in Class)/ Practical Based learning

 Course seminar

 Industrial tour