{"created":"2023-05-15T15:26:02.449822+00:00","id":13896,"links":{},"metadata":{"_buckets":{"deposit":"a9ace00a-e789-4cdc-a208-fc8039ad483f"},"_deposit":{"created_by":3,"id":"13896","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"13896"},"status":"published"},"_oai":{"id":"oai:sucra.repo.nii.ac.jp:00013896","sets":["96:641"]},"author_link":["23415","23413","23414"],"item_119_alternative_title_1":{"attribute_name":"タイトル(別言語)","attribute_value_mlt":[{"subitem_alternative_title":"Crack Growth and Threshold Characteristics of Surface Fatigue Crack for Plate Specimen of S 45 C Steel"}]},"item_119_biblio_info_8":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1985","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"472","bibliographicPageEnd":"2720","bibliographicPageStart":"2715","bibliographicVolumeNumber":"51","bibliographic_titles":[{"bibliographic_title":"日本機械学會論文集. A編"}]}]},"item_119_date_31":{"attribute_name":"作成日","attribute_value_mlt":[{"subitem_date_issued_datetime":"2009-09-11","subitem_date_issued_type":"Created"}]},"item_119_description_19":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"表面切欠きを付したS45C 鋼平板試験片を用い,大気中,室温において荷重範囲ΔP一定試験およびΔP漸減試験を行い,表面疲労き裂の進展特性,下限界特性およびき裂閉口を調べた. また,それらに及ぼす材料の結晶粒径の影響についても検討を加えた.その結果,き裂が進展するに従い偏平化すること,扁平化とき裂閉口が ΔK_