Courses Catalogue

Physical Metallurgy

COURSE CODE: PHY7113
COURSE CREDIT UNIT: 4
ACADEMIC PROGRAMME: Physics, Masters
COLLEGE/SCHOOL/FACULTY: School of Natural and Applied Sciences
STATUS: Core
PROGRAMME TYPE: Postgraduate

Course Content and Outline

UNIT I PHASE DIAGRAMS                                                                     (12 Hours)

Composition and classification of pig iron and cast iron – iron ores - manufacture of wrought iron and steel - The phase rule - Types of Binary Diagrams,– invariant reactions- eutectic, eutectoid, peritectic and peritectoid reactions – Thermodynamics, Solution theory - free energy composition curves – Experimental determination of equilibrium diagram-grain size analysis, grain size measurement - effect of grain size on properties of metals and alloys

UNIT II SOLID SOLUTION                                                                      (12 Hours)

Types of solid solution – solid solution factors governing substitutional solubility –Hume-Rothery rules- intermediate phases -solid solution alloys –Vegards law – Lever rule - mechanical mixtures-- Iron-Carbon equilibrium diagram – Aluminum alloys – Copper alloys – Effect of alloying elements

UNIT III HEAT TREATMENT                                                                (12 Hours)

Recovery, recrystallisation and grain growth: property changes, annealing twins, textures in cold  worked and annealed alloys,-TTT diagrams – CCT diagrams – heat-treatment processes – annealing, normalising, quenching and tempering – baths used in heat treatment – hardenability –Jominy’s end quench test – martempering and austempering – case hardening – induction, flame, laser - carburising, cyaniding, nitriding, carbo nitriding.

UNIT IV PHASE TRANSFORMATIONS                                               (12 Hours)

Types of phase changes – Driving forces, N-G aspects, diffusion in solids – solidification – pearlitic transformations – martensitic transformations – kinetics of transformation - precipitation and age hardening.

UNIT V ENGINEERING ALLOYS                                                         (12 Hours)

 Low carbon steels – mild steels – high strength structural steels – tool materials – stainless steels – super alloys – light alloys – shape memory alloys – applications

MODE OF DELIVERY

  • Lectures and discussions
  • Experiments and laboratory activities
  • Laboratory reports
  • Reading and problem assignments

 INSTRUCTIONAL MATERIALS AND / OR EQUIPMENT

  • Whiteboard and Markers
  • Flip Charts
  • LCD Projectors
  • CDs, DVDs and Tapes