IIW White Paper

4.4 4.5 4.6

Advanced design and structural integrity rules .....................................................30 Role and potential of modelling ..............................................................................31 Strategies to meet scientific challenges..................................................................32

5. Needs and challenges in welding and joining technologies ...................35

5.1 Innovations in welding and joining processes.........................................................36 Robotic welding .........................................................................................................36 Renaissance for EB welding ......................................................................................37 Laser Beam Welding ..................................................................................................38 Laser Hybrid Welding .................................................................................................38 Friction Stir Welding (FSW)..........................................................................................39 The Magnetic Pulse Technology (MPT)....................................................................40 Structural adhesives ...................................................................................................41 Composites .................................................................................................................41 Higher automation, productivity and quality control ............................................42 Advanced technologies for maintenance, repair and life extension..................45 5.3.1 NDT of welds by use of radiography, technical radiology & computer tomography .............................................................................................45 5.3.2 NDT of welds by use of ultrasound ...........................................................................45 5.3.2.1 Advanced UT techniques .........................................................................................45 5.3.2.2 Ultrasonic testing of austenitic welds.......................................................................47 5.3.2.3 Ultrasonic guides waves ............................................................................................48 5.3.3 NDT of welds by use of electric, magnetic and thermal techniques...................49 5.4 NDT modelling ............................................................................................................49 5.5 NDT and structural health monitoring (SHM) of welded and composite structures .................................................................................................50 5.6 Developments with “local engineering” & SHM towards “ Intelligent welded structures”..................................................................................50 5.7 Strategies to face technological challenges in welding and joining technologies ..........................................................................................51 5.1.1 5.1.2 5.1.3 5.1.4 5.1.5 5.1.6 5.1.7 5.1.8 5.2 5.3

6. Needs and challenges in health, safety, education, training, qualification and certification .......................................................................................53

6.1 6.2

Human and material resources ................................................................................54

Health, safety and environmental aspects .............................................................55 6.2.1 Health and safety issues of welders .........................................................................55

VII

Through Optimum Use and Innovation of Welding and Joining Technologies

Improving Global Quality of Life