Notes


  • Physical Metallurgy
  •      Fick's first and second laws of diffusion, Entropy, Single component system, Clausius-Clapeyron equation, Solidification, Ideal and binary solutions, Free energy calculation, Activity, Real solutions, Ordered phases, Intermediate phases, Equilibrium in heterogenous systems, Simple phase diagram, Systems with a miscibility gap, ordered alloys, Gibbs phase rule, Effect of temperature on solid solubility, equilibrium vacancy concentration, Influence of interfaces on equilibrium, Ternary equilibrium, kinetics of phase transformations, Diffusion in dilute alloys (analysis of relaxation, resonance technique, correlation effect, impurity diffusion coefficient, diffusion with traps), Diffusion in a concentration gradient (Darken's equation, Gibbs Duhem equation), Diffusion controlled growth (solution of precipitates, planar precipitates, proeutectoid ferrite), Martensitic transformation and its characteristics, Shape change in martensitic transformation, Massive transformation, Nucleation (homogenous, heterogenous, Becker-Doring theory, nucleation at grain boundaries, nucleation at a three-grain junction), Precipitation sequence (Guinier-Preston zones, various theta precipitates, etc.), Phase transformation (general theory, problems with the theory, Zener's method, etc.)


  • Mechanical Metallurgy
  •      Theoretical cohesive strength, Stress concentration factor, Notch strengthening, External variables affecting fracture, Toughness, Derivation of Griffith's and Orowan's equations, Derivation of strain energy release rate using load control and displacement control techniques, Stress analysis of cracks, crack modes, Inclined crack, Stress intensity factor, Stress intensity factor, Multiplicity of Y factors, Calculation of stress intensity factors for some crack types, Single end notch test specimen, Crack opening at edge and its importance, Macroscopic fracture and texture, Investigation tools, Fracture mechanisms, Fracture surface of ceramics, Quantitative fractography, Fractal concept, Plain strain toughness testing, Designation, Testing procedure.


  • Metallurgical Thermodynamics
  •      Laws of thermodynamics, Maxwell's identities and equations, entropy, enthalpy, Gibbs free energy, Solidification, Ectropy, Phase diagrams, Lever rule, Kinetics of transformation.


  • Electronic Properties of Materials
  •      Electrical and thermal conduction in solids, Elementary quantum physics, Mordern theory of solids, semiconductor, Semiconductor devices, Dielectric materials, Magnetic properties of materials, Optical properties of materials.


  • Carbon Materials
  •      Graphite, Diamond , Classification of carbon films, Bonding in carbon, Growth mechanism of amorphous hydrogenated carbon, Nanocrystalline graphite, Raman spectroscopy of carbon films, Photoluminescence of carbon films, Measurement of H content in DLC, Frictional behavior of nanocrystalline diamond, Frictional behavior of diamond like carbon, Surface modifications in tribological contacts, Hydrophobicity in DLC, Bio-applications of diamond films, Bio-applications of diamond-like carbon films, Optical properties of diamond films, Optical properties of diamond-like carbon films, Electrical properties of diamond films, Carbon fibers, Carbon nanotubes, Fullerenes, Carbon composites.