Electrotechnical materials, material systems and production processes
FEKT-DKC-ET1Acad. year: 2020/2021
Part I. offers the description of the nature of anisotropic materials in general, with more detailed application at piezoelectric materials. It describes linear theory of piezoelectricity, components and systems, production processes of various piezoelectric systems included.
Part II. deals with Physics of the Solar Cell, Photovoltaic sources, principle of function and characteristics, basic types of photovoltaics systems and aplications and manufacturing Solar Cells and modules.
Part III. deals with Solder joint, solder joint formation. Requirements for solder joint. Reliability of solder joint - material and process factors.
Part IV. deals with problems of mathematical – physical modelling allowing to model the studied difficulties of basic and complex physical tasks in research practice.
Learning outcomes of the course unit
The graduate gains deeper knowledge in the selected parts of electrotechnical materials, material systems and production processes. The modular system enables a specific composition of the curricular programmed according to the focus of the student or according to his planned dissertation.
The subject knowledge on the Magister´s degree level is requested.
Recommended optional programme components
Recommended or required reading
Zelenka, J.: Piezoelektrické rezonátory a jejich použití. ACADEMIA Praha 1993 (CS)
Humpston, G., Jacobson, D., M.: Principles of Soldering, ASM International, 2004, ISBN 0-87170-792-6 (EN)
Adamson, A. W., Gast, A. P.: Physical Chemistry of Surfaces. A Willey Interscience Publication, 1997, ISBN 0 –471-14873-3 (EN)
Hwang, J.S.: Environment-Friendly Electronics: Lead Free Technology, Electrochemical Publications Limited, 2001, ISBN 0 901150 401 (EN)
Sze, S. M., Kwok, K.: Physics of Semiconductor Devices. Wiley - Interscience, A John Wiley & sons, Inc. Publication, ISBN-13: 978-0-471-14323-9 (EN)
Krieg, B.: Elektřina ze slunce. HEL, Ostrava, 1993 (CS)
Mentlík, V.: Dielektrické prvky a systémy. BEN-technická literatura, Praha, 2006. ISBN 80-7300-189-6 (CS)
Stolarski, T., Nakasone, Y., Yoshimoto, S.: Engineering Analysis with Ansys Software, Oxford 2006 (EN)
Ferziger, J. H., Peric, M.: Computational Methods for Fluid Dynamics, Springer : Berlin, 2002. (EN)
Ansys Advantage magazin: http://www.ansys.com/About+ANSYS/ANSYS+Advantag+Magazine (EN)
Planned learning activities and teaching methods
Subject is taught form seminars. Lecture are guidee using PowerPoint presentation. At the conclusion seminars is controlled discussion.
Assesment methods and criteria linked to learning outcomes
Language of instruction
1. Nature of anisotropic material. Principles of tensors calculus, mechanical properties of anisotropic materials, dielectrically properties of anisotropic materials, coordinate conversion
2. Linear theory of piezoelectricity. Thermodynamic potentials, linear piezoelectric state equations, basic piezoelectric materials
3. Piezoelectric resonators. Excitation mechanics vibration, mechanics vibration of resonators, substitution diagram of piezoelectric resonator, determination of cut orientation, temperature dependence of resonance frequency
4. Materials used in photovoltaic. The Physics of the Solar Cell, Photovoltaic sources, Principle of function, characteristics
5. Third Generation Photovoltaics. Tandem solar cells, Thin-Film Solar Cells, CdTe, CuSe, InGa solar cells, Dye-sensitized Solar Cells
6. Photovoltaic systems. Basic types of photovoltaics systems and application, Photovoltaic Concentrators, Solar modules, construction and technology.
7. Manufacturing of Crystalline Silicon Solar Cells. Monocrystalline and Polykrystaline Silicon Solar Cells, etching, diffusion process, screen printing, sputtering
8. Module II-P-2: Manufacturing of Thin-Film Solar Cells. Structure of microcrystalline and amorphous silicon, CdTe, CuSe, InGa Solar Cells and manufacturing. Manufacturing of Solar Panels Strukture of photovoltaic panels, used materials, contacts, DCAC system in photovoltaic.
9. Module III-M-1: Solder joint – material system. Surface finishes of connected metals, methods of surface analysis, solders SnPb and SnAgCu, flux system, air and protective atmosphere, adsorption reaction on heterogeneous interfaces.
10. Module III-S-1: Phases of solder joint formation. Reactive wetting of surface, physical-chemical reaction at interface, dissolving, diffusion, intermetallic area, crystallisation.
11. Solder joint reliability. Process factors: temperature/soldering time, defined vs. quasi unlimited amounts of solder in solder joint, solder joint requirements, solder joint reliability – infuencing factors, thermomechanical fatique of solder joint.
12. The overview of basic possible uses of mathematical – physical modelling when solving difficulties in research practice.
13. Mastering the problems of selecting and adjusting the appropriate solver, level of discretization, setting up additional chosen mathematical models (e.g. turbulent), mesh, boundary conditions and more difficulties of debugging of the solved task.
Aim of Part I. is to enlarge the knowledge about nature of anisotropic materials generally, with the concrete applications in the area of piezoelectricity.
Aim of Part II. is to enlarge the knowledge about photovoltaic sources of electric power, possibility and ecological aspects of their usage.
Aim of Part III. is preparing the students for the solution of technological problems in area Solder joint, solder joint formation, Requirements for solder joint, Reliability of solder joint - material and process factors.
Aim of Part IV. is to familiarize (the) students with possible ways of solving (specific) scientific tasks using mathematical – physical modelling of studied difficulties and to master the problems by debugging the studied task.
Specification of controlled education, way of implementation and compensation for absences
The content and forms of instruction in the evaluated course are specified by a regulation issued by the lecturer responsible for the course and updated for every academic year.
Classification of course in study plans
- Programme DKC-KAM Doctoral, any year of study, winter semester, 4 credits, compulsory-optional
- Programme DKC-EKT Doctoral, any year of study, winter semester, 4 credits, compulsory-optional
- Programme DKC-MET Doctoral, any year of study, winter semester, 4 credits, compulsory-optional
- Programme DKC-SEE Doctoral, any year of study, winter semester, 4 credits, compulsory-optional
- Programme DKC-TLI Doctoral, any year of study, winter semester, 4 credits, compulsory-optional
- Programme DKC-TEE Doctoral, any year of study, winter semester, 4 credits, compulsory-optional