|
Lecturer(s)
|
-
Toman Jan, doc. Ing. Ph.D.
|
|
Course content
|
The course will discuss the principles and differencies of lasers used in industrial applications, which graduates may encounter in everyday engineering practice. 1. Power lasers, types of lasers, principles 2. Technological procedure and process parameters 3. Microstructure and properties of welds and clads, fatigue behavior of laser joints 4. Stress and deformation of laser-processed parts, simulation of fast temperature processes 5. Pulsed lasers and electron beam 6. Beam surface treatment - shot peening and texturing 7. Laser cutting of materials 8. Laser hardening and remelting of surfaces in the production of molds 9. Laser surfacing and renovation 10. Additive production of metal parts 11. Weldability of high-strength fine-grained materials 12. Application of modern welding technologies in industry 13. Defects and repairs of welds LBW, EBW
|
|
Learning activities and teaching methods
|
Lecture supplemented with a discussion, Lecture with practical applications, Practicum
- Graduate study programme term essay (40-50)
- 50 hours per semester
- Contact hours
- 65 hours per semester
- Preparation for an examination (30-60)
- 50 hours per semester
|
| prerequisite |
|---|
| Knowledge |
|---|
| Orientation in arc welding methods, their properties and applications. Orientation in heat treatment processes and the influence of temperature on structural processes in metallic materials. Demonstrate an overview of the basics of materials science, crystallization processes, structural and phase transformations. Characterize weld structure, weldability and weld defects. |
| Skills |
|---|
| Use knowledge of the effects of elements on weldability: carbon steels, fine-grained steels, thermomechanically processed steels, etc. Use the knowledge of production technologies such as thermomechanical processing, intercritical heat treatment, plasma welding and welding, induction hardening, etc. Use knowledge of binary diagrams, ARA / IRA diagrams, Schaeffler diagram and others. |
| Competences |
|---|
| Master's degree: understandably and convincingly discuss professional problems and defend one's own opinion on their solution |
| N/A |
| learning outcomes |
|---|
| Knowledge |
|---|
| Can characterize the differences between different types of lasers, their properties and uses. Apply various technologies of laser processing of materials for engineering production. Take advantage of laser processing and he know the differences from conventional technologies. Independently characterize the weld structure, material weldability and defects of laser welds. After completing the course, the student is able to develop a technological process of laser processing of material for surfacing, welding, cutting, surface hardening, additive production, texturing, etc. describe and explain the principle of laser radiation, properties of laser and electron beam, the interaction of the beam with a solid. Demonstrates knowledge of the influence of selected parameters on residual stresses, fatigue life, product. deformation, tribological and corrosion resistance |
| Skills |
|---|
| Elaborate welding / cladding plan, weld / clad inspection plan, procedure for elaboration of welding technological procedure (WPS), Choose a suitable filler/coating material with regard to the basic material and final requirements, evaluate the need for secondary operations such as preheating, reheating, inter-pass annealing, choose the right shielding gas, etc. Develop a comprehensive procedure, including preparation of welded surfaces, use of jigs and clamp devices. |
| Competences |
|---|
| N/A |
| Decide on the use of a modern method, taking into account the knowledge of its advantages over conventional technology. |
| teaching methods |
|---|
| Knowledge |
|---|
| Lecture supplemented with a discussion |
| Interactive lecture |
| Multimedia supported teaching |
| Lecture |
| Skills |
|---|
| Practicum |
| Students' portfolio |
| Multimedia supported teaching |
| Laboratory work |
| Lecture with visual aids |
| Competences |
|---|
| Lecture |
| Multimedia supported teaching |
| assessment methods |
|---|
| Knowledge |
|---|
| Oral exam |
| Test |
| Skills |
|---|
| Skills demonstration during practicum |
| Competences |
|---|
| Oral exam |
|
Recommended literature
|
-
G. Buchfink. Trumpf - The laser as a tool, ed. N. Leibinger-Kammuler. Vogel Buchverlag Wurzburg, 2007. ISBN 13-978-3-8343-307.
-
Ion, J. C. Laser Processing of Engineering Materials: Principles, Procedure and Industrial Application.. Elsevier Ltd. 2005. ISBN 978-0-7506-6.
-
Ivan Hrivňák. Zváranie a zvaritelnost materiálov. Naklad. Citadella, 2013. ISBN 978-80-89628-18-6.
-
Sindo Kou. Welding Metallurgy. John Wiley & Sons, Inc. 2003. ISBN 9780471434917.
-
William M. Steen. Laser Material Processing. Springer-Verlag London 2010, 2005. ISBN 978-1-84996-061-8.
|