{"created":"2025-01-17T07:35:48.497827+00:00","id":2001652,"links":{},"metadata":{"_buckets":{"deposit":"fb814a10-2324-43b0-8717-5375c285cfa6"},"_deposit":{"created_by":10,"id":"2001652","owners":[10],"pid":{"revision_id":0,"type":"depid","value":"2001652"},"status":"published"},"_oai":{"id":"oai:repository.lib.tottori-u.ac.jp:02001652","sets":["1:10","2:12"]},"author_link":["4768"],"item_30002_access_rights4":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"open access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_abf2"}]},"item_30002_bibliographic_information29":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2024-01-01","bibliographicIssueDateType":"Issued"},"bibliographicPageStart":"108671","bibliographicVolumeNumber":"261","bibliographic_titles":[{"bibliographic_title":"International Journal of Mechanical Sciences","bibliographic_titleLang":"en"}]}]},"item_30002_creator2":{"attribute_name":"作成者","attribute_type":"creator","attribute_value_mlt":[{"creatorAffiliations":[{"affiliationNameIdentifiers":[{"affiliationNameIdentifier":"15101","affiliationNameIdentifierScheme":"kakenhi"}],"affiliationNames":[{"affiliationName":"鳥取大学","affiliationNameLang":"ja"},{"affiliationName":"Tottori University","affiliationNameLang":"en"}]}],"creatorNames":[{"creatorName":"松野,崇","creatorNameLang":"ja","creatorNameType":"Personal"},{"creatorName":"Matsuno,Takashi","creatorNameLang":"en","creatorNameType":"Personal"},{"creatorName":"マツノ,タカシ","creatorNameLang":"ja-Kana","creatorNameType":"Personal"}],"familyNames":[{"familyName":"松野","familyNameLang":"ja"},{"familyName":"Matsuno","familyNameLang":"en"},{"familyName":"マツノ","familyNameLang":"ja-Kana"}],"givenNames":[{"givenName":"崇","givenNameLang":"ja"},{"givenName":"Takashi","givenNameLang":"en"},{"givenName":"タカシ","givenNameLang":"ja-Kana"}],"nameIdentifiers":[{"nameIdentifier":"4768","nameIdentifierScheme":"WEKO"},{"nameIdentifier":"100001652","nameIdentifierScheme":"研究者総覧鳥取大学","nameIdentifierURI":"http://researchers.adm.tottori-u.ac.jp/html/100001652_ja.html"},{"nameIdentifier":"30781687","nameIdentifierScheme":"e-Rad_Researcher","nameIdentifierURI":"https://kaken.nii.ac.jp/ja/search/?qm=30781687"}]},{"creatorAffiliations":[{"affiliationNameIdentifiers":[{"affiliationNameIdentifier":"15101","affiliationNameIdentifierScheme":"kakenhi"}],"affiliationNames":[{"affiliationName":"鳥取大学","affiliationNameLang":"ja"},{"affiliationName":"Tottori University","affiliationNameLang":"en"}]}],"creatorNames":[{"creatorName":"Kondo,Daiki","creatorNameLang":"en","creatorNameType":"Personal"}],"familyNames":[{"familyName":"Kondo","familyNameLang":"en"}],"givenNames":[{"givenName":"Daiki","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Hama,Takayuki","creatorNameLang":"en","creatorNameType":"Personal"}],"familyNames":[{"familyName":"Hama","familyNameLang":"en"}],"givenNames":[{"givenName":"Takayuki","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Naito,Tadashi","creatorNameLang":"en","creatorNameType":"Personal"}],"familyNames":[{"familyName":"Naito","familyNameLang":"en"}],"givenNames":[{"givenName":"Tadashi","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Okitsu,Yoshitaka","creatorNameLang":"en","creatorNameType":"Personal"}],"familyNames":[{"familyName":"Okitsu","familyNameLang":"en"}],"givenNames":[{"givenName":"Yoshitaka","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Hayashi,Seiji","creatorNameLang":"en","creatorNameType":"Personal"}],"familyNames":[{"familyName":"Hayashi","familyNameLang":"en"}],"givenNames":[{"givenName":"Seiji","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Takada,Kenji","creatorNameLang":"en","creatorNameType":"Personal"}],"familyNames":[{"familyName":"Takada","familyNameLang":"en"}],"givenNames":[{"givenName":"Kenji","givenNameLang":"en"}]}]},"item_30002_date11":{"attribute_name":"日付","attribute_value_mlt":[{"subitem_date_issued_datetime":"2024-01-01","subitem_date_issued_type":"Issued"}]},"item_30002_description9":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"The weakening behavior of ultra-high-strength steel(UHSS) remains unknown, even though it is a requirement for the accurate prediction of strain localization and ductile fracture in automobile applications. In this study, we, therefore, revealed the stress–strain curves of UHSSs up to their ductile fracture under different stress triaxialities for the first time. Smooth and notched tiny round-bar specimens cut from UHSSs with 1.6-mm thickness were subjected to tensile tests, during which the forces and neck diameters of the specimens were measured. Notably, the evaluated flow stresses in the 1.5 GPa-class notched UHSS specimens exhibited weakening of up to 3 %. This was in contrast to the 980 MPa-class UHSS specimens, which did not exhibit notch-induced weakening. The absence of weakening during stress measurements, as confirmed by synchrotron X-ray diffraction (XRD) analysis, suggested that weakening was caused by material damage. However, the weakening behavior did not follow the previously developed damage models based on microvoid formation. The volume fraction of the microvoids, as observed by X-ray computer tomography, was extremely small (at 0.2 %) and cannot account for the 3 % material weakening indicated by the flow stress measurement results. A new damage mechanism, associated with unobservable small lattice vacancies, was implied in UHSSs deformation under high stress triaxialities.","subitem_description_language":"en","subitem_description_type":"Other"}]},"item_30002_file35":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","date":[{"dateType":"Available","dateValue":"2024-01-01"}],"displaytype":"detail","fileDate":[{"fileDateType":"Issued","fileDateValue":"2024-01-01"}],"filename":"ijms261_108671.pdf","filesize":[{"value":"8.7 MB"}],"format":"application/pdf","licensetype":"license_0","mimetype":"application/pdf","url":{"objectType":"fulltext","url":"https://repository.lib.tottori-u.ac.jp/record/2001652/files/ijms261_108671.pdf"},"version_id":"a1fea0a9-ee0b-4efe-abcd-57bc891265d5"}]},"item_30002_language12":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_30002_page_start27":{"attribute_name":"開始ページ","attribute_value_mlt":[{"subitem_start_page":"108671"}]},"item_30002_publisher10":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"Elsevier BV","subitem_publisher_language":"en"}]},"item_30002_relation18":{"attribute_name":"関連情報","attribute_value_mlt":[{"subitem_relation_type":"isIdenticalTo","subitem_relation_type_id":{"subitem_relation_type_id_text":"https://doi.org/10.1016/j.ijmecsci.2023.108671","subitem_relation_type_select":"DOI"}}]},"item_30002_resource_type13":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_30002_rights6":{"attribute_name":"権利情報","attribute_value_mlt":[{"subitem_rights":"(C) 2023 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).","subitem_rights_language":"en"}]},"item_30002_source_identifier22":{"attribute_name":"収録物識別子","attribute_value_mlt":[{"subitem_source_identifier":"18792162","subitem_source_identifier_type":"PISSN"},{"subitem_source_identifier":"00207403","subitem_source_identifier_type":"PISSN"}]},"item_30002_source_title23":{"attribute_name":"収録物名","attribute_value_mlt":[{"subitem_source_title":"International Journal of Mechanical Sciences","subitem_source_title_language":"en"}]},"item_30002_subject8":{"attribute_name":"主題","attribute_value_mlt":[{"subitem_subject":"Work hardening","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Weakening","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Ductile fracture","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Stress triaxiality","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Ultra-high-strength steel sheets","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_30002_title0":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Flow stress curves for 980MPa- and 1.5GPa-class ultra-high-strength steel sheets weakened under high-stress triaxiality","subitem_title_language":"en"}]},"item_30002_version_type15":{"attribute_name":"出版タイプ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_30002_volume_number24":{"attribute_name":"巻","attribute_value_mlt":[{"subitem_volume":"261"}]},"item_title":"Flow stress curves for 980MPa- and 1.5GPa-class ultra-high-strength steel sheets weakened under high-stress triaxiality","item_type_id":"30002","owner":"10","path":["12","10"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2025-01-22"},"publish_date":"2025-01-22","publish_status":"0","recid":"2001652","relation_version_is_last":true,"title":["Flow stress curves for 980MPa- and 1.5GPa-class ultra-high-strength steel sheets weakened under high-stress triaxiality"],"weko_creator_id":"10","weko_shared_id":-1},"updated":"2025-02-13T04:16:16.900209+00:00"}