Needs and challenges
in welding and joining
technologies
35
Through Optimum Use and Innovation of Welding and Joining Technologies
Improving Global Quality of Life
5.1
Innovations in welding and joining processes................................................................. 36
5.1.1
Robotic welding ................................................................................................................. 36
5.1.2
Renaissance for EB welding .............................................................................................. 37
5.1.3
Laser beam welding .......................................................................................................... 38
5.1.4
Laser hybrid welding .......................................................................................................... 38
5.1.5
Friction Stir Welding (FSW).................................................................................................. 39
5.1.6
The Magnetic Pulse Technology (MPT) ............................................................................ 40
5.1.7
Structural adhesives ........................................................................................................... 41
5.1.8
Composites ......................................................................................................................... 41
5.2
Higher automation, productivity and quality control..................................................... 42
5.3
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 austentic 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 structures
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
