2023

• Bhardwaj, Sachin; Ås, Sigmund Kyrre; RATNAYAKE MUDIYANSELAGE, Chandima. (2023) Experimental and numerical investigation of residual stresses in proximity girth welds. The International Journal of Advanced Manufacturing Technology
  Vitenskapelig artikkel
• Hellum, Vidar; Gabrielsen, Øystein; Ås, Sigmund Kyrre. (2023) Fatigue crack growth in mooring chain steel at different mean load levels. Marine Structures
  Vitenskapelig artikkel

2022

• Qvale, Paul; Nordhagen, Håkon Ottar; Ås, Sigmund Kyrre; Skallerud, Bjørn Helge. (2022) Effect of long periods of corrosion on the fatigue lifetime of offshore mooring chain steel. Marine Structures
  Vitenskapelig artikkel
• Qvale, Paul; P. Zarandi, Ershad; Arredondo, Alberto; Ås, Sigmund Kyrre; Skallerud, Bjørn Helge. (2022) Effect of cyclic softening and mean stress relaxation on fatigue crack initiation in a hemispherical notch. Fatigue & Fracture of Engineering Materials & Structures (FFEMS)
  Vitenskapelig artikkel

2021

• Qvale, Paul; P. Zarandi, Ershad; Ås, Sigmund Kyrre; Skallerud, Bjørn Helge. (2021) Digital image correlation for continuous mapping of fatigue crack initiation sites on corroded surface from offshore mooring chain. International Journal of Fatigue
  Vitenskapelig artikkel

2020

• Savio, Luca; Sileo, Lucia; Ås, Sigmund Kyrre. (2020) A comparison of physical and numerical modeling of homogenous isotropic propeller blades. Journal of Marine Science and Engineering (JMSE)
  Vitenskapelig artikkel

2018

• Hallberg, Håkan; Ås, Sigmund Kyrre; Skallerud, Bjørn Helge. (2018) Crystal plasticity modeling of microstructure influence on fatigue crack initiation in extruded Al6082-T6 with surface irregularities. International Journal of Fatigue
  Vitenskapelig artikkel
• Skallerud, Bjørn Helge; Ås, Sigmund Kyrre; Ottosen, Niels S.. (2018) A gradient-based multiaxial criterion for fatigue crack initiation prediction in components with surface roughness. International Journal of Fatigue
  Vitenskapelig artikkel
• Garbatov, Y.; Ås, Sigmund Kyrre; Branner, K.; Choi, B.K.; Den Besten, J.H.; Dong, P.. (2018) Committee III.2: Fatigue and Fracture. IOS Press
  Faglig kapittel

2014

• Ås, Sigmund Kyrre; Fjær, Hallvard Gustav; Olden, Vigdis; Lindholm, Dag; Akselsen, Odd Magne. (2014) Simulation of multipass welding of a steel pipe including modelling of hydrogen diffusion and fracture mechanics assessment.
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
• Akselsen, Odd Magne; Ren, Xiaobo; Ås, Sigmund Kyrre. (2014) Review of Laser and Hybrid Laser-Arc Welding.
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2013

• Ren, Xiaobo; Akselsen, Odd Magne; Ås, Sigmund Kyrre; Kaplan, Alexander. (2013) Residual stresses of hybrid laser-arc welding for arctic application.
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2012

• S. Azar, Amin; Ås, Sigmund Kyrre; Akselsen, Odd Magne. (2012) Analytical Modeling of Weld Bead Shape in Dry Hyperbaric GMAW Using Ar-He Chamber Gas Mixtures. Journal of materials engineering and performance (Print)
  Vitenskapelig artikkel
• Ren, Xiaobo; Ås, Sigmund Kyrre; Akselsen, Odd Magne; Nyhus, Bård. (2012) Residual Stresses of X80 Pipe Girth Weld. International Society of Offshore & Polar Engineers
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
• Shahrestani Azar, Amin; Ås, Sigmund Kyrre; Akselsen, Odd Magne. (2012) Determination of Welding Heat Source Parameters Using the Actual Bead Shape. Computational Materials Science
  Vitenskapelig artikkel
• Ren, Xiaobo; Akselsen, Odd Magne; Ås, Sigmund Kyrre; Nyhus, Bård. (2012) Numerical analysis of residual stresses in hyperbaric welding. The American Society of Mechanical Engineers (ASME)
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

2011

• Ørjasæter, Oddvin; Ås, Sigmund Kyrre; Haagensen, Per Jahn; Tveiten, Bård Wathne. (2011) Fatigue of High Quality Girth Welds. The American Society of Mechanical Engineers (ASME)
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
• Ren, Xiaobo; Ås, Sigmund Kyrre; Akselsen, Odd Magne; Nyhus, Bård. (2011) Comparison of Hybrid Laser-arc and Conventional Welding for Arctic Applications. International Society of Offshore & Polar Engineers
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
• Ren, Xiaobo; Akselsen, Odd Magne; Ås, Sigmund Kyrre; Nyhus, Bård. (2011) NUMERICAL SIMULATION OF HYBRID LASER-ARC WELDING OF X70 PIPELINE STEEL.
  Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
• Lange, Torstein; Eggen, Tor Gunnar; Ås, Sigmund Kyrre. (2011) Strategisk Egenfinansiert Prosjekt (SEP) - ""Modelling of stress corrosion cracking"". SINTEF Rapport
  Rapport

2009

• Tveiten, Bård Wathne; Ås, Sigmund Kyrre; Fjeldstad, Arne. (2009) Fatigue Assessment of Aluminum Rectangular Hollow Section T-joints by Hot-Spot Stress Approach. ISOPE - International Offshore and Polar Engineering Conference. Proceedings
  Vitenskapelig artikkel
• Ås, Sigmund Kyrre; Fjeldstad, Arne. (2009) Fatigue Assessment of Aluminum Rectangular Hollow Section T-joints by Hot-Spot Stress Approach. ISOPE - International Offshore and Polar Engineering Conference. Proceedings
  Vitenskapelig artikkel

2008

• Ås, Sigmund Kyrre; Skallerud, Bjørn Helge; Tveiten, Bård Wathne. (2008) Surface roughness characterization for fatigue life predictions using finite element analysis. International Journal of Fatigue
  Vitenskapelig artikkel

2006

• Ås, Sigmund Kyrre. (2006) Fatigue Life Prediction of an Aluminium Alloy Automotive Component Using Finite Element Analysis of Surface Topography. Doktoravhandlinger ved NTNU (2006:25)
  Vitenskapelig monografi

2005

• Ås, Sigmund; Skallerud, Bjørn Helge; Tveiten, Bård; Holme, Børge. (2005) Fatigue life prediction of machined components using finite element analysis of surface topography. International Journal of Fatigue
  Vitenskapelig artikkel