The main topics of lectures are: 1. Mass structure, molecules and bonds between atoms, electron energy and band model, properties of electrotechnical materials 2. Physical properties of conductors, electrical resistance, dependence of electrical resistance on temperature, superconductivity, cryo-conductivity 3. Thermoelectric properties, thermal coefficient of linear extensibility, specific thermal conductivity 4. Physical properties of insulators, intrinsic resistivity and surface resistivity, insulator permittivity, dielectric loss factors, electrical strength, mechanical properties, heat resistance, tensile and compressive strength, hardness, viscosity, wettability and water absorption 5. Physical properties of semiconductors 6. Wire and cables materials, requirements for wires, basic properties and distribution of used materials, copper and its alloys 7. Aluminum and its alloys, other electrolytic metals used, bimetals, electrotechnical carbon, 8. Solders, fuse materials 9. Materials for contacts - current less and current switching, circuit variables during switch on and off - contact requirements. 10. Materials for resistors, types and manufacture of resistors 11. Insulators and dielectrics, properties and distribution, inorganic insulators 12. Organic insulators, types and production of capacitors 13. Magnetic materials, diamagnetic, paramagnetic and ferromagnetic substances, magnetostriction 14. Magnetically soft materials for magnetic circuits of machines, permanent magnets Practical exercises will be focused on the measurement of properties of substances and principles of design of electrotechnical parts.
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