637-0902/01 – Metallurgy of Pure Metals (MČK)

Student of PhD study will be able to: - understand necessity and significance of pure materials for development of new disciplines, such as micro-electronics, opto-electronics … - classify methods of division and refining of materials, stages of purification and principles of production of high-purity materials. - describe basic characteristics of ion exchange, chromatography, sorption, extraction, distillation, rectification, transport reactions, electrical dialysis, electrolysis, transfer of electricity. - understand significance effective distribution coefficients at separation of materials and relationships with thermodynamics of phase balances. - use theoretical knowledge of crystallisation methods of directional crystallisation and zonal melting including CZ method at refining of materials and preparation of crystals. - analyse relationships at the phase interface crystal – melt and their influence on effective distribution coefficient, mass transfer, kinetics of growth of crystallic materials, concentration under-cooling, convection and growth defects. - understand significance of mass transfer and continuous zonal refining - acquire an overview of techniques and equipment suitable for refining of specific materials - apply suitable physical - metallurgical analytical methods for characteristic of high-purity materials - determine the values of equilibrium and effective distribution coefficients from binary and ternary diagrams, thermodynamic equations and from experiment - choose an appropriate technique for obtaining of thin layers by epitaxial technique and diffusion

The subject deals with methods of refining and preparation of high purity materials required in new perspective areas of science and technology. High degree of chemical purity is attainable by means of chemical, hydrometallurgical, physico-chemical, pyrometallurgical methods. Classification of methods of division and refining of materials, stages of purification and principles of production of high-purity materials.

DRÁPALA, J. and KUCHAŘ, L. Metallurgy of Pure Metals. Cambridge International Science Publishing Ltd., 2008. ASM Handbook, Vol. 2, Properties and Selection: Alloys and Special-Purpose Materials. ASM International, 1990. CHAUDRON G.: Monographies sur les métaux de haute pureté. Masson, Paris, T.1 - 1972, T.2 - 1977, T.3 - 1977, in French.

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