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dc.contributor.authorLervåg, Malin
dc.contributor.authorSørensen, Camilla
dc.contributor.authorRobertstad, Andreas
dc.contributor.authorBrønstad, Bård M.
dc.contributor.authorNyhus, Bård
dc.contributor.authorEriksson, Magnus Carl Fredrik
dc.contributor.authorAune, Ragnhild
dc.contributor.authorRen, Xiaobo
dc.contributor.authorAkselsen, Odd Magne
dc.contributor.authorBunaziv, Ivan
dc.date.accessioned2020-10-14T07:26:09Z
dc.date.available2020-10-14T07:26:09Z
dc.date.created2020-03-16T10:21:56Z
dc.date.issued2020
dc.identifier.citationMetals. 2020, 10 (2), .en_US
dc.identifier.issn2075-4701
dc.identifier.urihttps://hdl.handle.net/11250/2682581
dc.description.abstractFor 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 to create walls with different heat input. Due to the multiple heating and cooling cycles during layer deposition, brittle secondary phases may form such as intermetallic sigma (σ) phase. By inspecting deposited walls within wide range of heat inputs (0.40–0.87 kJ/mm), no intermetallic phases formed due to low inter-pass temperatures used, together with the high Ni content in the applied wire. Lower mechanical properties were observed with high heat inputs due to low ferrite volume fraction, precipitation of Cr nitrides and formation of secondary austenite. The walls showed good toughness values based on both Charpy V-notch and CTOD (crack tip opening displacement) testingen_US
dc.language.isoengen_US
dc.publisherMDPIen_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.subjectWire arc additive manufacturingen_US
dc.subjectStainless steelen_US
dc.subjectMicrostructureen_US
dc.subjectMechanical propertiesen_US
dc.subjectToughnessen_US
dc.titleAdditive Manufacturing with Superduplex Stainless Steel Wire by CMT Processen_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.description.versionpublishedVersionen_US
dc.rights.holderCopyright: the Authors. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly citeden_US
dc.source.pagenumber17en_US
dc.source.volume10en_US
dc.source.journalMetalsen_US
dc.source.issue2en_US
dc.identifier.doi10.3390/met10020272
dc.identifier.cristin1801783
cristin.unitcode7401,80,64,0
cristin.unitnameMaterialer og nanoteknologi
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1


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