Topic 1. Non-destructive tests. Visual inspection. Acoustic inspection. Penetrating liquids. Magnetic particles. Induction currents: Eddy currents. X-ray and scintigraphy. Ultrasound Active thermography. Holographic interferometry. Test selection.
Topic 2. Welding technology. Materials to be welded Fe-C system. Thermal treatments of steels. Aluminum base alloys hardened by maturation or deformation. Types of welding. Welding with fusion. Welding without fusion. Heat flux. Mass flow. Gases.
Topic 3. Welding metallurgy. Solidification of the fusion bath. Transformations in the Fe-C system. Maturing hardened alloys. Alloys hardened by deformation. Galvanized steel. Defectology.
Topic 4. Introduction to adhesives. Basic concepts of adhesion. Formation of the adhesive bond. Design criteria and examples. Comparison of joining techniques. The interface. Adhesion models (mechanical, chemical bond, electrical, diffusion). Effect of weak layers of preferential breakage.
Topic 5. Surface treatments. Surfaces characteristics: Roughness. Influencing factors. Pretreatments: Abrasion and cleaning. Chemical treatments. Physical treatments. Surface analysis techniques.
Topic 6. Mechanical behavior and degradation. Mechanical properties of polymer materials. Mechanical requests for adhesive bonding. Analysis of single lap joints. Mechanics of fracture. Degradation Effect of temperature, humidity and solvents. Mechanical and thermal fatigue. Combined effects
Topic 7. Types of adhesives. Polymerization process. Types of adhesives. Dosing systems. Rigid adhesives: Epoxy, Cyanoacrylates, Anaerobics and Acrylics. Flexible adhesives: Polysulphides, Silicones, Polyurethanes and Modified Silanes. Prepolymerized adhesives: in liquid phase, adhesive tapes and hot melts.