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dc.contributor.authorOkada, Kazuhoen
dc.contributor.authorShibata, Akinobuen
dc.contributor.authorTakeda, Yasunarien
dc.contributor.authorTsuji, Nobuhiroen
dc.contributor.alternative岡田, 和歩ja
dc.contributor.alternative柴田, 曉伸ja
dc.contributor.alternative竹田, 泰成ja
dc.contributor.alternative辻, 伸泰ja
dc.date.accessioned2022-11-25T02:24:55Z-
dc.date.available2022-11-25T02:24:55Z-
dc.date.issued2021-02-
dc.identifier.urihttp://hdl.handle.net/2433/277477-
dc.description.abstractThe present paper investigated characteristics of fatigue fracture behavior, particularly initiation stage of fatigue fracture (Stage I), in an as-quenched martensitic steel from microstructural and crystallographic points of view. The detailed crystallographic orientation analysis using EBSD revealed that block boundaries in lath martensite structure were the most preferential initiation sites for fatigue cracks. We found that incompatibility of plastic strains between adjacent blocks was the origin for the formation of initial fatigue cracks at block boundaries. Moreover, plastic deformation along {0 1 1} slip planes also played an important role on the transgranular crack propagation.en
dc.language.isoeng-
dc.publisherElsevier BVen
dc.rights© 2020 The Authors. Published by Elsevier Ltd.en
dc.rightsThis is an open access article under the CC BY licenseen
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/-
dc.subjectFatigue fractureen
dc.subjectMartensitic steelen
dc.subjectElectron backscattering diffractionen
dc.subjectCrystallographic orientation analysisen
dc.titleCrystallographic analysis of fatigue fracture initiation in 8Ni-0.1C martensitic steelen
dc.typejournal article-
dc.type.niitypeJournal Article-
dc.identifier.jtitleInternational Journal of Fatigueen
dc.identifier.volume143-
dc.relation.doi10.1016/j.ijfatigue.2020.105921-
dc.textversionpublisher-
dc.identifier.artnum105921-
dcterms.accessRightsopen access-
datacite.awardNumber19J21267-
datacite.awardNumber15H04158-
datacite.awardNumber19H02459-
datacite.awardNumber.urihttps://kaken.nii.ac.jp/ja/grant/KAKENHI-PROJECT-19J21267/-
datacite.awardNumber.urihttps://kaken.nii.ac.jp/ja/grant/KAKENHI-PROJECT-15H04158/-
datacite.awardNumber.urihttps://kaken.nii.ac.jp/ja/grant/KAKENHI-PROJECT-19H02459/-
dc.identifier.pissn0142-1123-
dc.identifier.eissn1879-3452-
jpcoar.funderName日本学術振興会ja
jpcoar.funderName日本学術振興会ja
jpcoar.funderName日本学術振興会ja
jpcoar.awardTitle中性子線回折や透過電子顕微鏡を用いたBCC鉄の水素脆性破壊のミクロ機構の解明ja
jpcoar.awardTitleマルテンサイト鋼における水素脆性破壊メカニズムの解明ja
jpcoar.awardTitleマイクロメカニックス解析による水素誘起粒界凝集エネルギー低下の定量評価ja
出現コレクション:学術雑誌掲載論文等

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