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Course detail
FSI-HS2Acad. year: 2023/2024
The course deals with the following topics: Theoretical conditions of the production and existence of a welding joint with respect to welding materials, energetic sources, physical-chemical and metallurgical processes taking place by metallic materials welding. Degradation processes of welding material by thermal deformation cycle. Stress and deformation in welding. Weldability of metallic materials. Weldability of structural carbon steels. Weldability of TMZ high strength steels. Weldability of stainless steels. Weldability of castings. Weldability of Cu, Al, Ti alloys. Weldability of plastics and their destructive and non-dstructive testing of welds.
Language of instruction
Number of ECTS credits
Mode of study
Guarantor
Department
Entry knowledge
1. Fe – Fe3C equilibrium diagram, 2. TTT and thermo-kinetic diagrams, 3. Testing of mechanical properties of metals, 4. Heat treatment of steels. 5 . Basic knowlage welding methods.
Rules for evaluation and completion of the course
Aims
Study aids
Prerequisites and corequisites
Basic literature
Recommended literature
Elearning
Classification of course in study plans
specialization STG , 1 year of study, winter semester, compulsory-optional
Lecture
Teacher / Lecturer
Syllabus
1. Theoretical principles of forming a welding joint, terminology in welding. Physical bases of fusion welding processes. Heat power resources for welding.2. Extending of heat in a welding joint. Temperature – deformation cycle and temperature calculations. Tension and deformation in welding joints.3. Macrostructure and microstructure of welding joint and heat effected zone (HAZ). Structure and properties of fusion metal and HAZ.4. Theory of weldability acc. to european standards.5. Weldability of metallic materials. Weldability of carbon and carbon – manganese steels.6. Weldability of microdoped, low and creep resistant steels.
7. Weldability of TMZ and high strength steels.8. Weldability of high alloy steels (corrosion resistant).9. Weldability testing, disposition to cracking.10. Welding of castings (graphitic irons).11. Welding of aluminium, copper, titanium and their alloys12. Weldability and welding of plastics.13. Descructive (DT) and Non-descructive (NDT) testing of welds.
Laboratory exercise