Learn · Diffusion in Multicomponent Solids

Lecture 40 of 55Week - 9

Lecture 40: Atomic Mobility, Diffusivity and Diffusion Under External Driving Force

Prof. Kaustubh Kulkarni · IIT Kanpur

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Diffusion in Multicomponent Solids, IIT Kanpur (at NPTEL)
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All the lectures

  1. Lecture 01: Introduction to the Course and Thermodynamics Refresher Video
  2. Lecture 02: The Second law of Thermodynamics Video
  3. Lecture 03: Application of Second law and Illustration of Intermixing as Irreversible Process Video
  4. Lecture 04: Equilibrium, Stability and Phase Diagrams in Single Component Systems Video
  5. Lecture 05: Third Law of Thermodynamics and Numerical Examples Video
  6. Lecture 06: Thermodynamic Activity and Gibbs Free Energy of Mixing Video
  7. Lecture 07: Entropy of mixing of Multicomponent Ideal Solution Video
  8. Lecture 08: Regular Solution Model: Application to Ternary System Video
  9. Lecture 09: Gibbs Free EnergyComposition Curves, Phase Diagrams and Gibbs Phase rule Video
  10. Lecture 10: Exercise: Solution Thermodynamics Video
  11. Lecture 11: Driving force for Diffusion, Chemical Potentials and Concentrations Video
  12. Lecture 12: Diffusion flux and Frames of Reference Video
  13. Lecture 13: Fick’s Law Video
  14. Lecture 14: Exercise: Deriving Sigma Cosine for any Cubic Lattice Video
  15. Lecture 15: Fick's Law for Multicomponent Diffusion Video
  16. Lecture 16: Diffusion Equation and Solution to Steady State Diffusion Video
  17. Lecture 17: Conversion of Set of Interdiffusion Coefficients from One Dependent Compared to Another Video
  18. Lecture 18: Refresher on Laplace Transform Video
  19. Lecture 19: Error Function and Its Laplace transform Video
  20. Lecture 20: Instantaneous Planar Source: Solution to Diffusion Equation and Its Applications Video
  21. Lecture 21: Solution to Diffusion Equation for SemiInfinite Slab and Its Application in Carburizing of Steel Video
  22. Lecture 22: Solution to Diffusion Equation for Binary Diffusion Couple Video
  23. Lecture 23: Solution to Diffusion Equation for Multicomponent Diffusion Couple Video
  24. Lecture 24: Nature of Concentration Profiles in Binary and Multicomponent Diffusion Couples Video
  25. Lecture 25: Numerical Problems Video
  26. Lecture 26: Homogenization of Multicomponent alloys Video
  27. Lecture 27: Solution to Diffusion Equation: Periodic Boundary Conditions Video
  28. Lecture 28: Energetics of Vacancy Formation Video
  29. Lecture 29: Experimental Determination of Enthalpy of Vacancy Formation Video
  30. Lecture 30: Mechanisms of Diffusion in Metals and Alloys Video
  31. Lecture 31: Point Defects in Intermetallics and Ionic Compounds Video
  32. Lecture 32: Diffusion Mechanisms in Intermetallics Video
  33. Lecture 33: Theory of Random Walk: Mean Squared Displacement Video
  34. Lecture 34: Physical Significance of Diffusivity: EinsteinSmoluchowski Equation Video
  35. Lecture 35: Derivation of Correlation Factors in Cubic Crystals by Vacancy Mechanism Video
  36. Lecture 36: Correlation Factors for Substitutional Diffusion by Vacancy Mechanism in FCC Crystal Video
  37. Lecture 37: Correlation Effects in BCC and Diamond Cubic for Vacancy Mechanism Video
  38. Lecture 38: Practice Problems Video
  39. Lecture 39: Deriving Relation Between Diffusion Flux and Chemical Potential Gradients Video
  40. Lecture 40: Atomic Mobility, Diffusivity and Diffusion Under External Driving Force Video
  41. Lecture 41: NonIdeality as Driving Force Video
  42. Lecture 42: Theory of diffusion Video
  43. Lecture 43: Experimental Determination of Interdiffusion Coefficients: Boltzmann Matano Analysis Video
  44. Lecture 44: Analysis of Interdiffusion Fluxes in Multicomponent Diffusion Couples Video
  45. Lecture 45 : Various Techniques for Experimental Determination of Multicomponent Interdiffusion Coefficients Video
  46. Lecture 46: Experiement Determination of Interdiffusion Coefficients: Examples from Literature Video
  47. Lecture 47: Intrinsic Diffusion and Kirkendall Effect Video
  48. Lecture 48: Experiemental Determination of Intrinsic Diffusion Coefficients Video
  49. Lecture49: A Brief Introduction to Ternary Phase Diagram Video
  50. Lecture 50: Multiphase Diffusion: Diffusion Paths and Diffusion Structures Video
  51. Lecture 51: Interdiffusion Analysis of Multiphase Diffusion Couples Video
  52. Lecture 52 Short Circuit Diffusion Paths Video
  53. Lecture 53 Fisher’s Model for Grain Boundary Diffusion Video
  54. Lecture 54 Harrison’s Regimes for Grain Boundary Diffusion Kinetics Video
  55. Live Session 16-04-2020 Video