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Proceedings Papers

Fatigue of High Quality Girth Welds

Oddvin O¨rjasaeter, Sigmund Aas, Per J. Haagensen, Ba˚rd Wathne Tveiten
Proc. ASME. OMAE2011, Volume 3: Materials Technology; Jan Vugts Symposium on Design Methodology of Offshore Structures; Jo Pinkster Symposium on Second Order Wave Drift Forces on Floating Structures; Johan Wichers Symposium on Mooring of Floating Structures in Waves, 619-627, June 19–24, 2011
Paper No: OMAE2011-50306
DOI: https://doi.org/10.1115/OMAE2011-50306
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Topics: Fatigue, Welded joints, Design, Fatigue life, Fatigue strength, Fracture (Materials), Pipes, Residual stresses, Wall thickness, Welding
Proceedings Papers

Crack Growth in Pipes Under Service Contortions

Oddvin O¨rjasaeter, Richard Verley, Per Egil Kvaale, Tor Gunnar Eggen
Proc. ASME. OMAE2009, Volume 6: Materials Technology; C.C. Mei Symposium on Wave Mechanics and Hydrodynamics; Offshore Measurement and Data Interpretation, 279-288, May 31–June 5, 2009
Paper No: OMAE2009-80178
DOI: https://doi.org/10.1115/OMAE2009-80178
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Topics: Fracture (Materials), Pipes, Cathodic protection, Hydrogen, Leakage, Temperature, Alternating current potential drop techniques, Anodes, Corrosion, Cycles
Proceedings Papers

Relative Importance of Defects in Girth Welds of Linepipes

Oddvin O¨rjasaeter, Per J. Haagensen, Hans Olav Knagenhjelm
Proc. ASME. OMAE2007, Volume 4: Materials Technology; Ocean Engineering, 167-174, June 10–15, 2007
Paper No: OMAE2007-29549
DOI: https://doi.org/10.1115/OMAE2007-29549
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Topics: Welded joints, Welding, Fatigue, Pipes, Fracture (Materials), Maintenance, Natural gas fields, Piping design, Residual stresses, Seabed
Proceedings Papers

Crack Growth During Full Scale Reeling Simulation of Pipes With Girth Welds

Oddvin O¨rjasaeter, Olav Jan Hauge, Guy Ba¨rs, Per Egil Kvaale
Proc. ASME. OMAE2004, 23rd International Conference on Offshore Mechanics and Arctic Engineering, Volume 3, 193-199, June 20–25, 2004
Paper No: OMAE2004-51365
DOI: https://doi.org/10.1115/OMAE2004-51365
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Topics: Fracture (Materials), Pipes, Simulation, Welded joints, Design, Crack propagation, Compression, Creep, Cycles, Pipe bending