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Hydrogen-assisted crack propagation in α-iron during elasto-plastic fracture toughness tests

dc.contributor.authorBirenis, Domas
dc.contributor.authorOgawa, Yuhei
dc.contributor.authorMatsunaga, Hisao
dc.contributor.authorTakakuwa, Osamu
dc.contributor.authorYamabe, Junichiro
dc.contributor.authorPrytz, Øystein
dc.contributor.authorThøgersen, Annett
dc.date.accessioned2020-01-15T09:58:33Z
dc.date.available2020-01-15T09:58:33Z
dc.date.created2019-05-04T18:52:07Z
dc.date.issued2019
dc.identifier.citationMaterials Science & Engineering: A. 2019, 756 396-404.nb_NO
dc.identifier.issn0921-5093
dc.identifier.urihttp://hdl.handle.net/11250/2636365
dc.description.abstractElasto-plastic fracture toughness tests of a commercially pure iron were performed in air and in hydrogen gas at two different pressures. Some unique characteristics of hydrogen-enhanced cracking were exhibited at both the macroscopic and microscopic length scales, based on the observation of fracture surface, fracture plane, plasticity distribution and dislocation structure. The possible mechanisms responsible for the hydrogen-induced degradation of fracture toughness are discussed.nb_NO
dc.language.isoengnb_NO
dc.publisherElseviernb_NO
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/deed.no*
dc.subjectFracture toughnessnb_NO
dc.subjectHydrogen embrittlementnb_NO
dc.subjectDislocation structuresnb_NO
dc.subjectElectron back-scattered diffraction (EBSD)nb_NO
dc.subjectTransmission electron microscopy (TEM)nb_NO
dc.titleHydrogen-assisted crack propagation in α-iron during elasto-plastic fracture toughness testsnb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.description.versionacceptedVersionnb_NO
dc.rights.holderPostprint version of article published under a CC-BY-NC-ND licensenb_NO
dc.source.pagenumber396-404nb_NO
dc.source.volume756nb_NO
dc.source.journalMaterials Science & Engineering: Anb_NO
dc.identifier.doi10.1016/j.msea.2019.04.084
dc.identifier.cristin1695618
dc.relation.projectNorges forskningsråd: 102006899nb_NO
dc.relation.projectNORTEM: 197405nb_NO
cristin.unitcode7401,80,62,0
cristin.unitnameBærekraftig energiteknologi
cristin.ispublishedtrue
cristin.fulltextpostprint
cristin.qualitycode2


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