Blar i SINTEF Open på forfatter "Aune, Ragnhild"
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Additive manufacture of superduplex stainless steel using WAAM
Eriksson, Magnus Carl Fredrik; Lervåg, Malin; Sørensen, Camilla; Robertstad, Andreas; Brønstad, Bård M.; Nyhus, Bård; Aune, Ragnhild; Ren, Xiaobo; Akselsen, Odd Magne (Peer reviewed; Journal article, 2018)Superduplex stainless steels have been used in the oil and gas industry for a couple of decades due to the combination of excellent mechanical properties and corrosion resistance. The present investigation addresses the ... -
Additive Manufacturing with Superduplex Stainless Steel Wire by CMT Process
Lervåg, Malin; Sørensen, Camilla; Robertstad, Andreas; Brønstad, Bård M.; Nyhus, Bård; Eriksson, Magnus Carl Fredrik; Aune, Ragnhild; Ren, Xiaobo; Akselsen, Odd Magne; Bunaziv, Ivan (Peer reviewed; Journal article, 2020)For many years, the oil and gas industry has utilized superduplex stainless steels due to their high strength and excellent corrosion resistance. Wire arc additive manufacturing (WAAM) was used with superduplex filler wire ... -
Dry hyperbaric welding of HSLA steel up to 35 bar ambient pressure with CMT arc mode
Bunaziv, Ivan; Aune, Ragnhild; Olden, Vigdis; Akselsen, Odd Magne (Peer reviewed; Journal article, 2019)Hyperbaric welding plays a significant role in subsea pipeline installations and repairs for transport of oil and gas from the offshore field to the market. The effect of ambient pressure, from 1 to 35 bar, on penetration ... -
Knowledge basis for repair contingency of pipelines - Final report
Olden, Vigdis; Lindholm, Dag; Fjær, Hallvard Gustav; Rudshaug, Magne; Aune, Ragnhild; Ren, Xiaobo (SINTEF rapporter;2019:00027, Research report, 2019)The RCN competence project ROP was initiated in January 2014, with the main objective to establish basic knowledge on subsea hyperbaric repair welding and degradation of clad and lined pipes, as well as C-Mn steel. The ...