Diffusion in Multicomponent Solids Training

Week 1: Basics of thermodynamics: laws of thermodynamics, concept of chemical potentials and criteria for equilibrium

Week 2: Refresher on Solution Thermodynamics and Phase Stability

Week 3: Phenomenology of multicomponent diffusion and various frames of reference used for measuring diffusion fluxes

Week 4: Solving diffusion equation for various boundary conditions including solution of multicomponent diffusion equation

Week 5: Self diffusion, impurity diffusion, interdiffusion and intrinsic diffusion; Experimental determination of interdiffusion and intrinsic diffusion coefficients

Week 6: Point defects in crystalline solids and mechanisms of diffusion

Week 7: Random walk, diffusivity and correlation effects in diffusion

Week 8: Derivation of correlation factors in some crystalline lattices

Week 9: Derivation of fundamental driving forces for diffusion: chemical potential gradients and atomic mobilities; cross effects in multicomponent diffusion driven by defect mechanisms

Week 10: Interrelation between multicomponent diffusion coefficients, atomic jump frequencies and thermodynamic factors

Week 11: Multiphase diffusion, diffusion structures and phase diagrams

Week 12: Experimental determination of activation energies for diffusion; Fast diffusion paths: Grain boundary and pipe diffusion