Learning Outcomes
Students are expected to
- acquire the knowledge of the fundamentals of welding and of the different welding methods.
- understand the main principles of Metallurgy of welding and the effect of various welding parameters in the structure and properties of welds.
- to identify the discontinuities of welds and understand how to prevent and detect them.
General Competences
Apply knowledge in practice
Retrieve, analyse and synthesise data and information, with the use of necessary technologies
Make decisions
Work autonomously
Respect natural environment
Be critical and self-critical
Advance free, creative and causative thinking
Course Content (Syllabus)
Introduction, Energy sources for welding (Electrical sources-Arc welding-Resistance welding-Electroslag welding, Chemical sources-Oxyfuel gas welding-Thermit welding, Optical sources-Electron Beam welding-Laser beam welding, Solid state sources-Explosion welding-Ultrasonic welding-Friction welding-Diffusion welding) Electrode, Characteristics of the welding arc, Metal transfer, Heat flow in welding (Distribution of temperature, peak temperatures distribution, cooling rates, solidification rates, weld thermal cycle), The Metallurgy of welding. Weld discontinuities (Cracks, geometric discontinuities, lack of fusion, lack of penetration, inclusions, porosity), Inspection of welds, Welding of metals and alloys.
The course includes hands-on workshops for metal welding using various techniques and microstuctural evaluation of the welds.
