MATERIAL SCIENCE AND ENGINEERING (BME303)

MATERIAL SCIENCE AND ENGINEERING

Course Code BME303 
CIE Marks 50
Teaching Hours/Week (L:T:P: S) 3:0:2:0 
SEE Marks 50
Total Hours of Pedagogy 40 hours Theory + 8-10 Lab slots 
Total Marks 100
Credits 04 
Exam Hours 3
Examination nature (SEE) Theory

MODULE-1

Structure of Materials Introduction: Classification of materials, crystalline and non-crystalline solids, atomic bonding: Ionic Bonding and Metallic bonding. Crystal Structure: Crystal Lattice, Unit Cell, Planes and directions in a lattice, Planar Atomic Density, Coordination number, atomic Packing Factor of all the Cubic structures and Hexa Close Packed structure. 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. Slip, Twinning. 

MODULE-2

Physical Metallurgy Alloy Systems: Classification of Solid solutions, Hume- Rothery Rules Diffusion: Diffusion Mechanisms: Vacancy Diffusion and Interstitial Diffusion, Fick’s laws of diffusion, Factors affecting diffusion. Phase Diagrams: Gibbs Phase Rule, Solubility limit, phase equilibrium and Phase Diagrams: Isomorphous systems, Invariant Binary Reactions: Eutectic reaction, Eutectoid reaction and Peritectic reaction, Lever Rule, Iron-Carbon Diagram. Effect of common alloying elements in steel. Numerical on Lever rule. 

MODULE-3

Nucleation and growth: Introduction to homogeneous and heterogeneous nucleation, critical radius for nucleation. Heat treatment: Annealing, Normalizing, hardening, Tempering, Nitriding, Cyaniding, Induction Hardening and Flame Hardening, Recent advances in heat treat technology. TTT diagram, Recovery-Recrystallization-Grain Growth. Strengthening mechanisms: Strain hardening, Precipitation hardening (Solid-Solution Strengthening), Grain refinement. MKV-TEMPLATE for IPCC (26.04.2022) Annexure-III 2 

MODULE-4

Surface coating technologies: Introduction, coating materials, coating technologies, types of coating: Electro-plating, Chemical Vapor Deposition(CVD), Physical Vapor Deposition(PVD), High Velocity Oxy-Fuel Coating, advantages and disadvantages of surface coating. Powder metallurgy: Introduction, Powder Production Techniques: Different Mechanical methods: Chopping or Cutting, Abrasion methods, Machining methods, Ball Milling and Chemical method: Chemical reduction method. 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

Engineering Materials and Their Properties: Classification, Ferrous materials: Properties, Compositions and uses of Grey cast iron and steel. Non-Ferrous materials: Properties, Compositions and uses of Copper, Brass, Bronze. Composite materials - Definition, classification, types of matrix materials & reinforcements, Metal Matrix Composites (MMCs), Ceramic Matrix Composites (CMCs) and Polymer Matrix Composites (PMCs), Particulate-reinforced and fiber- reinforced composites, Applications of composite materials. Mechanical and functional properties of Engineering Materials The Design Process and Materials Data: Types of design, design tools and materials data, processes of obtainingmaterials data, materials databases. Material Selection Charts: Selection criteria for materials, material property Charts, deriving property limits and material indices.

Experiments 

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

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

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

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

5 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. 

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

7 To determine the Impact strength of the mild steel using Izod test and Charpy test. 

8 Study the chemical corrosion and its protection. Demonstration 

9 Study the properties of various types of plastics. Demonstration 

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

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

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

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

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

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