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Title of the course

MM 677:?Diffusion and Kinetics

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Credit structure

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Pre-requisite, if any

None

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Course content

Introduction. Ficks laws of diffusion. Analytical and numerical solutions. Diffusion in semi-infinite, finite and composite media. Chemical Kinetics. Order of reactions. Homogeneous reactions. Heterogeneous reactions Adsorption, gas-solid reactions. Examples : Carburisation, Diffusion in semiconductors, Diffusion through a stagnant gas film, Diffusion in thin films and multilayers, reactions in CVD processes, oxidation, reduction, decomposition etc. Atomistic models of diffusion. Random walk model. Diffusion mechanisms. Kirkendall effect. Homogeneous and heterogeneous nucleation. Grain growth and coarsening. TTT diagrams. Precipitation. Spinoidal decomposition. Diffusion in ionic solids. Diffusion along surfaces and interfaces. Sintering of particles.

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Texts/References

J. Crank, Mathematics of Diffusion, Oxford University Press, 2nd Ed., 1979.J.M. Smith, Chemical Engineering Kinetics, McGraw-Hill, 3rd Ed., 1981.P. Shewmon, Diffusion in Solids, Minerals, Metals & Materials Soc., 1989.R.J. Borg and G.J. Dienes, Introduction to Solid State Diffusion, Academic Press, 1997.R.W. Balluffi, S.M. Allen and W.C. Carter, Kinetics of Materials, John Wiley, 2003.

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Instructor(s) name

Prof. A.S.Panwar