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Terminated in academic year 2021/2022

Electrotechnical Materials

Type of study Bachelor
Language of instruction English
Code 637-0079/07
Abbreviation ETM
Course title Electrotechnical Materials
Credits 4
Coordinating department Department of Non-ferrous Metals, Refining and Recycling
Course coordinator prof. Ing. Jaromír Drápala, CSc.

Subject syllabus

1. Electron theory of the metallic state. Cohesion forces of solid matters; types of elementary bonding and their influence on properties of materials. Classification of solid matters according to chemical bonds. Cohesive energy of the metal, band theory, standard metals and transition metals.
2. Crystalline materials (polymorphism), standard type of crystal lattices, plains and directions, reciprocal lattice. Brillouin zone, conductors, insulators, semiconductors. Specific heat.
3. Crystal structure defaults: vacancies, dislocations, stacking faults, grain boundaries in crystals. Single crystals, polycristalline and amorphous metals. Solid solution, intermetallic phases. Linear expansion and volume changes during phase transformation in solid state.
4. Conducting materials. Physical principles of the electrical conductivity of metals, basic characteristic of conductors, superconductivity. Metallic conductive materials (Cu, Al, W, Mo, …) and their alloys, carbon materials.
5. Special conducting materials. Contact materials, resistance materials, thermocouples, bimetals, solders, metals and alloys for safety-fuse, shape memory materials. Superconducting materials.
6. Physical properties and main kinds of semiconductor materials. Semiconductor materials: elementary and compounds. Basic demands on preparation of pure materials.
7. Refining and structure improving methods, zone refining, directional crystallization, distillation. Methods of crystal growing, Czochralski method. Types of semiconductors (AIIIBV, AIIBVI). Technology of thin layers deposition (epitaxy) and junction (diffusion).
8. Magnetic materials. Basic relations, notions, fundamentals of the ferromagnetism, characteristics of magnetic materials. Standard types of magnetic materials.
9. Soft magnetic material (Fe-Si, Fe-Ni), metallic glasses. Hard magnetic material. Ferrites. Structure, classification, processing technologies, characteristics and application domains.
10. Dielectrics and insulators, characteristics and structure insulators, polarization and permittivity of dielectrics, electrical conductivity of insulators.
11. Specific dielectric strength of solid state insulators, breakdown and basic breakdown types, properties of insulators.
12. Overview of electro-insulating materials. Gaseous, liquid and solid state insulators, inorganic insulating material.
13. Construction materials, basic classification: steel, cast iron, non-ferrous metals and alloys, composites, ceramics.
14. Properties of construction materials and methods of mechanical testing: tensile test, compression test, notched test, fracture toughness, fatigue and creep.

E-learning

DRÁPALA, J., KURSA, M. Elektrotechnické materiály. E-learning na, 2012, 439 s. http://www.person.vsb.cz/archivcd/FMMI/ETMAT/index.htm

Literature

BOUDA, V., HAMPL, J., LIPTÁK, J. Materials for Electronics. Textbook of ČVUT Praha, 2000, 208 p.
HARPER, CH.A. Electronic Materials and Processes Handbook. McGraw-Hill, 2004.
WHITAKER, J.C. Microelectronics. Second Edition. CRC Press, 2006.
KŘÍŽ, M., KULA, V. Introduction to Electrical Engineering. Praha: ČVUT. 2000
HAMPL, L. LIPTÁK, J. Materials for Electrotechnics. Praha: ČVUT. 2006

Advised literature

KLAUK HAGEN: Organic Electronics: Materials, Manufacturing and Applications. Willey-VCH, 2006.
DORF, R.C.: The Electrical Engineering Handbook Series. Second Edition. CRC Press, 2005.
SOLYMAR, L., WALSH, D. Lectures on the Electrical Properties of Materials. Oxford: University Press. 1991
NEWEY, C., WEAWER, G. Materials Principles and Practice. London: Alden Press. 1990
ASM Handbook. Vol.2, Properties and Selection: Nonferrous Alloys and Special-Purpose Material. 10th edition, ASM International, 2000, 1328 p. ISBN 0-87170-378-5
DAVIS, J.R.: Metals Handbook, Desk Edition, ASM International, 1998, 1521 p.