Periodic Precipitation

Chapter headings and selected sections: Introduction. General considerations. Fick's laws of diffusion. Modified diffusion laws. Basic diffusion algorithms. Concentration Profiles. Test of the simplest diffusion algorithm. Diffusion in non-homogeneous media. Diffusion in the presence of electric fields. Double diffusion; concentration products. Nucleation Algorithms. Solubility relationships in binary systems. Stoichiometric considerations. Graincount and grain size; concentration decrements. Precipitate Growth and Re-solution. Precipitate - solution interaction; rates of mass transfer. Spacing relationships. Deterministic and probabilistic models. Effect of secondary reaction products. Reservoir depletion, contamination and closure. Hypothetical Experimentation with Binary Systems. Experiments with system structures. Experiments with reservoir concentration parameters. Experiments with diffusion coefficients. Experiments with solubilities and precipitation thresholds. Experiments with the stoichiometry conditions. Experiments with electric fields. Experiments in the probabilistic mode. Periodic Precipitation in Monomer Systems. Monomer precipitation by solubility modulation. Banding of particle distributions by Ostwald ripening. Experiments with competitive particle growth; a typical run. Appendix A. Precipitation by binary reaction; practical software implementation. Appendix B. Monomer precipitation by solubility modulation; practical software implementation. Appendix C. Banding by competitive particle growth; practical software implementation. References. Software order form. Index.

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