Unit 1 Introduction

• Basic concepts of material selection for various engineering applications
• materials property requirements as per engineering applications
• mechanical properties of metals
• classification of metal alloys: types of ferrous alloys and non-ferrous alloys
• micro and macro examination. 6 13.3%

Unit 2 Fundamentals of structure of crystalline solids

9 lecture hours

• unit cells and crystal systems
• crystallographic planes and directions
• single crystal and poly crystalline materials
• types of crystal structures
• density computations
• coordination number and atomic packing factor
• closed packed crystal structures
• x-ray diffraction method and Bragg’s law for crystal structure determination
• Imperfections in solids like point defects
• dislocations – linear defects and interfacial defects

Unit 3 Failure of Metals

• fundamentals of fracture
• ductile fracture
• brittle failure
• fatigue (cyclic stresses)

Unit 4 Phase diagrams

• definitions and basic concepts
• the Gibb’s phase rule
• the ion-ion carbide phase diagram
• development of micro structure in phase diagram and its percentage amount by weight
• concept of phase transformations
• kinetics of phase transformation
• isothermal transformation diagram (TTT diagram)
• Jominy hardenability test 10 22.2

Unit 5 Heat treatment

• various heat treatments such as normalizing
• case hardening
• induction hardening
• flame hardening
• Application of heat treatments in mechanical components such as gears
• crank shaft
• turbine blade

Unit 6 Non-Destructive testing

• liquid penetrate test
• magnetic particle test
• ultrasonic test
• eddy current test 5 11.2

Unit 7 Powder metallurgy

• production of powder
• application in various fields
• requirements of equipment. 3 6.8