345-9007/02 – Theory of Welding (TESVA)
| Gurantor department | Department of Mechanical Technology | Credits | 10 |
| Subject guarantor | prof. Ing. Ivo Hlavatý, Ph.D. | Subject version guarantor | prof. Ing. Ivo Hlavatý, Ph.D. |
| Study level | postgraduate | Requirement | Choice-compulsory type B |
| Year | | Semester | winter + summer |
| | Study language | English |
| Year of introduction | 2020/2021 | Year of cancellation | |
| Intended for the faculties | FS | Intended for study types | Doctoral |
Subject aims expressed by acquired skills and competences
The aim of the object is to provide PhD students with the complex science information about the theoretical principles of welded joints formation at fusion and pressure welding, physical principles of the metal welding processes, metallurgical behavior between weld metal and slag or shielding gases, weld metal formation and weld metal crystallization principles, phase transformations in the weld joints, weld joints cracking phenomena, deformation and tension processes in the welds, materials weldability and theoretical principles of materials brazing. Based on the received information the students will be able to independently scientifically solve the task in the both the basic and applied research activities in the field of welding.
Teaching methods
Individual consultations
Project work
Summary
The subject Theory of Welding includes theoretical principles of welding joints origin. Physical principles of metals welding processes, metallurgical reactions between weld metal and slag or protective gas. Principles of origin and crystallization weld pool, structural transformation of welded joints, cold cracking and hot cracking of welded joints, Lamellar tearing, PWHT tearing deformation and stresses in welded joints, weldability of materials, theoretical principles of tests welded joints, soldering, brazing and thermal cutting of materials.
Compulsory literature:
HOULDCROFT, P., JOHN, R. Welding and Cutting, Woodhead – Faulkner, New York,
1988.
LANCASTER, J.F. Metallurgy of Welding, London, Allen and Un win, 1987.
EASTERLING, K. Introduction to the Physical Metallurgy of Welding,
Butterworths London, 1983.
ROBERT, W., MESSLER, J.R. Principles of Welding, WILEY – Interscience, 1999.
Recommended literature:
LANCASTER, J.F. Physical of Welding, Oxford, Pergamon Press, 1986.
J. Piccini, H. Svoboda. Effect of the Plasma arc Welding Procedure on Mechanical Properties of DP700 Steel. Procedia Materials Science, Volume 1, 2012, Pages 50-57, ISSN 2211-8128, http://www.sciencedirect.com/science/article/pii/S2211812812000089.
Way of continuous check of knowledge in the course of semester
The student will prepare independent research according to the assignment of the lecturer and then will be the discussion about this problematics and the other theoretical question.
E-learning
Other requirements
Personal participation in the consultations.
Prerequisities
Subject has no prerequisities.
Co-requisities
Subject has no co-requisities.
Subject syllabus:
1. Physical principles of the process metals welding.
2. Thermo cycles by welding.
3. Heat affected zone of welded joints.
4. Metallurgical reactions between weld metal and slag or protective gas.
5. Absorption gases in welds.
6. Weld pool and crystallization of weld metal.
7. Structural transformations and properties of weld metal.
8. Cracking of welded joints.
9. Weldability of materials.
10. Deformation cycle by welding.
11. Soldering and Brazing – theoretical principles.
12. Theory of thermal cutting of materials.
13. Testing of welded joints.
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction
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