Skip to main content
Skip header
Terminated in academic year 2010/2011

Electrotechnical Materials

Type of study Bachelor
Language of instruction Czech
Code 637-0079/01
Abbreviation ETM
Course title Electrotechnical Materials
Credits 3
Coordinating department Department of Non-ferrous Metals, Refining and Recycling
Course coordinator prof. Ing. Miroslav Kursa, CSc.

Subject syllabus

1. Electron theory of the metallic state. Cohesion forces of solid state; types of elementary bonds and their influence on properties of materials. Classification of solid state materials according to chemical bonds. Cohesive energy of the metal, band theory, standard metals and transition metals.
2. Crystalline materials (polymorphism), standard type of crystallography larttices, plains and directions, reciprocal lattice. Brillouin zone, conductors, insulators, semiconductors. Specific heat.
3. Disturbances in the crystallography structure: vacancy, dislocation, laminated mistakes, grain boundary in crystals. Single crystals, polycristalline and amorphous metals. Solid solution, intermetallic phase. Linear expansivity and volumic changes at phase transformation in solid state.
4. Conducting materials. Physical principle of the electrical conductivity of metals, basic characteristic of conductors, superconductivity. Metallic conductive materials (Cu, Al, W, Mo, …) and their alloys, carbonic materials.
5. Special conducting materials. Contact materials, resistance materials, thermocouples, bimetals, solders, metals and alloys for safety-fuse, materials with shape memory. Superconducting materials.
6. Physical properties and main kinds of semiconductor materials. Semiconductor materials: elemental and compounds. Basic demands on preparation of pure materials.
7. Purification method and development of the structure, zone refining, directional crystallization, distillation. Manners of crystals preparation, Czochralski method. Types of semiconductors (AIIIBV, AIIBVI). Technology of formation of thin layers (epitaxy) and crossing (diffusion).
8. Magnetic materials. Basic relations, notions, essence of the ferromagnetism, characteristics of magnetic materials. Standard types of magnetic materials.
9. Soft magnetic material (Fe, Fe- Ni), metallic glasses. Hard magnetic material. Ferrites. Structure, division, technology of production, characteristics and field of application.
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, puncture and basic kinds puncture, electrical properties of insulators.
12. View of electro - insulating materials. Gaseous, liquid and solid state insulators, inorganic insulating material.
13. Construction materials, basic division: steel, cast iron, non - ferrous metals and alloys, composites, ceramics.
14. Properties of construction materials and manners of mechanical testing: tensile test, pressure test, notched test, fracture toughness, fatigue and creep.

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.