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Welding process impact on residual stress and distortion [PDF]

open access: yesScience and Technology of Welding and Joining, 2009
Residual stress and distortion continue to be important issues in shipbuilding and are still subject to large amounts of research. This paper demonstrates how the type of welding process influences the amount of distortion.
P Colegrove   +2 more
exaly   +2 more sources

Evaluation for Angular Distortion of Welding Plate

2021
Welding is essential in our life. It is crucial to nurture welding skills in Japan nowadays. The experts have to evaluate the many beginners' welding. Since the experts' burden is critical, a computational assistant for evaluating beginners' welding is required. This paper describes a simple evaluation system of welding plates by beginners. The authors
Shigeru Kato   +6 more
openaire   +1 more source

Minimization of welding distortion and buckling

open access: yes, 2011
Special solution methods are presented for the prediction of distortion in stiffened plate fabrications, caused by butt welds and fillet welds. These methods involve strategic reduction of the many complex features embodied in full multi-physics welding ...
Gray, Thomas, Camilleri, Duncan
openaire   +2 more sources

Influences of welding parameters on distortion

International Journal of Microstructure and Materials Properties, 2010
Laser beam welding (LBW) is an established serial process in manufacturing of parts for aircraft industries, which is characterised by the advantages of weight reduction and shortened process time compared to conventional riveting techniques. However distortions can occur after LBW. Depending on the intensity the distortions impair, e.g., assembly work
Kai Schimanski   +2 more
openaire   +1 more source

Distortion Analysis of Welded Stiffeners

Journal of Ship Production, 2001
This paper presents a welding distortion analysis approach for T-stiffeners with a particular emphasis on welding-induced buckling instabilities. Two-dimensional thermomechanical welding process simulations are performed to determine the residual stress and angular distortion.
O. A. Vanli, P. Michaleris
openaire   +1 more source

Distortion Control during Welding

2014
The local material expansion and contraction involved in welding result in permanent deformations or instability i.e., welding distortion. Considerable efforts have been made in controlling welding distortion prior to, during or after welding. Thermal Tensioning (TT) describes a group of in-situ methods to control welding distortion.
openaire   +2 more sources

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