MLL730
| MLL730 | |
|---|---|
| Diffusion and Kinetics | |
| Credits | 3 |
| Structure | 3-0-0 |
| Pre-requisites | MLL702 for PG, MLL103 for UG |
| Overlaps | |
MLL730 : Diffusion and Kinetics
[edit]Introduction to solid state diffusion, atomistics of diffusion, Fick's first and second laws; thin film solution and tracer diffusion measurements, semi-infinite and infinite diffusion couples - diffusion in a concentration gradient; temperature effects; surface, grain boundary and dislocation Courses of Study 2024-2025 Materials Science and Engineering 263pipe diffusion; diffusion in ionic solids, interdiffusion and the Kirkendall effect, measurement of variable diffusion coefficients; thermodynamics vs. Kinetics, elementary and non-elementary reactions, reaction order, activation energy, Arrhenius law, irreversible and reversible reactions, degree of reaction; heterogeneous reactions, kinetics of solid state-gas (fluid) reactions, elementary steps, rate-controlling steps, intrinsic kinetics, chemisorptions, mass transfer in the gas phase and fluid, multicomponent system, Knudsen diffusion, shrinking core model.