| Code |
BSL031B |
| Course unit |
Electronic engineering materials |
| Nomber of credits ECTS |
2.0 |
| Language of education |
Ukrainian |
| Learning outcomes of course unit |
- Knowledge and understanding of the physical principles of electrotechnical materials' operation;
- Knowledge of the main parameters of electrotechnical materials, as well as the dependence of these parameters on operating conditions;
- Knowledge of how the properties of electrotechnical materials and operating conditions affect the core characteristics and parameters of marine electrical and electronic equipment;
- Ability to select and compare electrotechnical materials based on their main parameters and operating criteria during the repair of marine equipment;
- Ability to independently use the necessary reference literature on electrotechnical materials during the repair and operation of ship electrical and electronic equipment.
|
| Types of educational work |
Lectures, laboratory classes, independent study. |
| Type of final control |
|
| Content of course unit |
- Subject and objectives of the course, its place in the educational process.
Classification and main trends in the development of electrotechnical materials.
- Fundamentals of the band theory of solids. Classification of substances into dielectrics, conductors, and semiconductors. Types of chemical bonds and the structure of solids.
- Main parameters of dielectrics. Polarization of dielectrics. Permittivity (dielectric constant).
- Types of polarization and the dependence of permittivity on external factors.
- Electrical conductivity of dielectrics. Dielectric losses. Dielectric breakdown.
- Mechanical, thermal, and biological properties of dielectrics.
- Concept of intrinsic and extrinsic (doped) semiconductors. Substitutional and interstitial impurities. Donors and acceptors.
- Parameters of intrinsic semiconductors. Parameters of extrinsic semiconductors. Classification of semiconductor materials. Properties and fields of application.
- Features of electron behavior in metals. Dependence of the resistivity of conductors on temperature and impurities. Temperature coefficient of resistivity and its dependence on temperature and impurities. Resistance features of thin metal films.
- Thermal conductivity. Effect of electric field frequency on the surface resistance of metallic conductors. Classification of conducting materials. High-conductivity conductors. High-resistivity conductors.
- Classification of substances by magnetic field effect: diamagnets, paramagnets, ferromagnets, antiferromagnets, and ferrimagnets. Causes of occurrence and structural features of the domain structure of ferromagnets. Principles of magnetic alloy development.
- Anisotropy of magnetic properties of magnetic materials. Textured magnetic alloys. Main magnetization curve of ferromagnets. Magnetic permeability and its dependence on temperature and magnetic field strength. Types of magnetic permeability.
- Hysteresis phenomenon. Classification of substances into soft and hard magnetic materials. Losses in magnetic materials and methods for their reduction. Features of ferrites. Features of application of soft and hard magnetic materials.
|
| Equipment (if applicable) |
Educational and research laboratory test bench (або просто: Educational and research lab stand); Voltmeter; Multimeter; A collection of material samples mounted on circuit boards for investigation and connection to the test benches. |
