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dc.contributor.authorEriksson, Magnus Carl Fredrik
dc.contributor.authorLervåg, Malin
dc.contributor.authorSørensen, Camilla
dc.contributor.authorRobertstad, Andreas
dc.contributor.authorBrønstad, Bård M.
dc.contributor.authorNyhus, Bård
dc.contributor.authorAune, Ragnhild
dc.contributor.authorRen, Xiaobo
dc.contributor.authorAkselsen, Odd Magne
dc.date.accessioned2020-12-28T13:26:51Z
dc.date.available2020-12-28T13:26:51Z
dc.date.created2018-10-12T23:45:45Z
dc.date.issued2018
dc.identifier.citationMATEC Web of Conferences. 2018, 188 .en_US
dc.identifier.issn2261-236X
dc.identifier.urihttps://hdl.handle.net/11250/2721026
dc.description.abstractSuperduplex 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 applicability of wire and arc additive manufacturing for this steel grade. Due to the inherent rapid heating and cooling, the initial base metal microstructure will be substantially altered, and complex thermal cycles may cause the formation of brittle secondary phases, among which the frequently observed intermetallic sigma phase is most harmful. However, no intermetallic phases have been observed, which is consistent with the low heat input employed, and the high Ni content in the wire. The microstructure observations in terms of ferrite volume fraction, Cr nitrides precipitation and the formation of secondary austenite are discussed together with the hardness measurements, tensile testing and notch toughness testing. It is concluded that additive manufacturing of superduplex stainless steels by wire and arc process is feasible.en_US
dc.language.isoengen_US
dc.publisherEDP Sciencesen_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.titleAdditive manufacture of superduplex stainless steel using WAAMen_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.description.versionpublishedVersionen_US
dc.rights.holder© The Authors, published by EDP Sciences. This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0/).en_US
dc.source.pagenumber8en_US
dc.source.volume188en_US
dc.source.journalMATEC Web of Conferencesen_US
dc.identifier.doi10.1051/matecconf/201818803014
dc.identifier.cristin1620125
cristin.unitcode7401,80,64,0
cristin.unitnameMaterialer og nanoteknologi
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1


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