Course: Technology of contacting and connecting in electrical engineering

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Course title Technology of contacting and connecting in electrical engineering
Course code KET/TKP
Organizational form of instruction Lecture + Tutorial
Level of course Master
Year of study not specified
Semester Winter
Number of ECTS credits 4
Language of instruction Czech, English
Status of course Compulsory
Form of instruction Face-to-face
Work placements This is not an internship
Recommended optional programme components None
Lecturer(s)
  • Hlína Jiří, Ing. Ph.D.
  • Steiner František, Doc. Ing. Ph.D.
  • Řeboun Jan, Doc. Ing. Ph.D.
  • Hirman Martin, Ing. Ph.D.
Course content
1. Introduction, basic terms, physical properties of metallic materials, purposes of contacting and interconnection. 2. Properties of contact structures, structure of metals and metal alloys, materials for detachable and non-detachable contacts. 3. Mechanical methods of realization of contact structures, crimping, pressing, twisted joints. 4. Soldering, principle of soldering, surface tension, wettability, flowability, capillarity, flux, protective atmosphere. 5. Metallurgical reactions during soldering, diffusion, intermetallic layers, phase diagrams of alloys. 6. Soldering, materials and methods, properties and structure of joints. 7. Brazing, materials and methods, properties of joints. 8. Resistance welding, formation of metallurgical weld, types and materials of electrodes, types of sources. 9. Ultrasonic welding, vertical, horizontal and torsion welding methods, materials, sonotrodes 10. Bonding, thermocompression and ultrasonic bonding, bonding materials, bonding machine construction. 11. Sintering, powder metallurgy, sintering of micro and nanoparticle pastes and inks. 12. Glued joints. Non-conductive, anisotropically and isotropically conductive adhesives. Metallic fillers for conductive adhesives, materials and shapes of metal particles, percolation threshold. 13. Testing and characterization of contact structures - strength, contact resistance, reliability.

Learning activities and teaching methods
Laboratory work, Lecture
  • Preparation for an examination (30-60) - 35 hours per semester
  • Preparation for comprehensive test (10-40) - 20 hours per semester
  • Preparation for laboratory testing; outcome analysis (1-8) - 4 hours per semester
  • Contact hours - 39 hours per semester
prerequisite
Knowledge
- describe the basic properties of individual groups of materials used in electrical engineering - explain the connection between the properties of materials and their internal structure and composition - assess the suitability of using materials for different technological operations
learning outcomes
to explain the physical properties of metallic materials and the purpose of contacting and interconnection
to explain mechanical methods of realization of contact structures
to explain ways of soldering and welding
to describe ways of bonding, sintering and gluing
to choose suitable methods of testing and characterizing of contact structures
Skills
to select the appropriate method of contacting and connecting for selected purpose
to design and create a reliable soldered joint
to apply appropriate testing and characterizing of contact structures
Competences
N/A
teaching methods
Knowledge
Lecture
Laboratory work
Self-study of literature
Skills
Laboratory work
Competences
Individual study
assessment methods
Knowledge
Combined exam
Test
Skills
Skills demonstration during practicum
Individual presentation at a seminar
Competences
Individual presentation at a seminar
Recommended literature
  • Bath, Jasbir. Lead-free soldering. 2007. ISBN 978-0-387-32466-1.
  • Klein Wassink, R. J. Soldering in Electronics : A Comprehensive Treatise on Soldering Technology for Surface Mounting and Through-hole Techniques. 2nd ed. Port Erin : Electrochemical Publications, 1994. ISBN 0-901-150-24-X.
  • Kuncipál, Josef. Teorie svařování. Praha : SNTL, 1986.
  • Pilous, Václav; Barták, Jiří. Svařování. Studie o technice v českých zemích 1945-1992. 1 IS. 2003.
  • Ruža, Viliam. Pájení. 2., upravené a dopln. vyd. Praha : SNTL, 1988.
  • Schwartz, Mel. Soldering : understanding the basics. 2014. ISBN 978-1-62708-058-3.
  • Vojtěch, Dalibor. Kovové materiály. Praha : Vydavatelství VŠCHT, 2006. ISBN 80-7080-600-1.


Study plans that include the course
Faculty Study plan (Version) Category of Branch/Specialization Recommended year of study Recommended semester