{"created":"2023-06-19T07:14:00.663412+00:00","id":1242,"links":{},"metadata":{"_buckets":{"deposit":"e03e590b-9dd3-40f6-8548-754af1ad97b8"},"_deposit":{"created_by":24,"id":"1242","owners":[24],"pid":{"revision_id":0,"type":"depid","value":"1242"},"status":"published"},"_oai":{"id":"oai:repo.lib.tut.ac.jp:00001242","sets":["9"]},"author_link":["2299","2763"],"item_10001_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1990-12-25","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"532","bibliographicPageEnd":"2398","bibliographicPageStart":"2391","bibliographicVolumeNumber":"56","bibliographic_titles":[{"bibliographic_title":"日本機械学會論文集. A編"},{"bibliographic_title":"Transactions of the Japan Society of Mechanical Engineers. A","bibliographic_titleLang":"en"}]}]},"item_10001_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"An optical system of pulsed holography is developed and applied to take instantaneous photographs of both the opening and the front edge of a crack which is propagating through a PMMA plate specimen at a speed of several hundred meters per second. Crack opening displacement (COD) on a specimen surface is measured along the crack in the vicinity of the tip where the 3-D (three-dimensional) stress field is developed. The COD is proportional to the square root of the distance r from the crack tip. It means that the stress field on a specimen surface has the singularity of 1/√<r>, even in the 3-D stress field. The singularity is unchangeable even though the crack speed changes. Crack front edge angles, which are angles between a crack front edge and specimen surfaces, are also measured, and they are obtuse. In the case of a lower crack speed, the measured angles agree with the numerical result of a slowly propagating crack given by Bazant and Estenssoro. As the crack speed increases, the angles decrease and seem to approach 90 degrees. Some mechanisms which make the crack front edge angle decrease are discussed.","subitem_description_type":"Abstract"}]},"item_10001_description_6":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"・rights：日本機械学会\n・rights：本文データは学協会の許諾に基づきCiNiiから複製したものである\n・relation：isVersionOf：http://ci.nii.ac.jp/naid/110002373258/\n","subitem_description_type":"Other"}]},"item_10001_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"一般社団法人日本機械学会"}]},"item_10001_relation_17":{"attribute_name":"関連サイト","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_text":"CiNii"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"http://ci.nii.ac.jp/naid/110002373258/","subitem_relation_type_select":"URI"}}]},"item_10001_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"03875008","subitem_source_identifier_type":"ISSN"}]},"item_10001_version_type_20":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"鈴木, 新一"}],"nameIdentifiers":[{},{},{}]},{"creatorNames":[{"creatorName":"SUZUKI, Shinichi","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2013-07-22"}],"displaytype":"detail","filename":"n03875008-0056--2391.pdf","filesize":[{"value":"613.2 kB"}],"format":"application/pdf","licensetype":"license_11","mimetype":"application/pdf","url":{"label":"n03875008-0056--2391","url":"https://repo.lib.tut.ac.jp/record/1242/files/n03875008-0056--2391.pdf"},"version_id":"d857339d-943a-45dc-9e2b-a227d4409e61"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"Crack_Propagation","subitem_subject_scheme":"Other"},{"subitem_subject":"Experimental_Stress_Analysis","subitem_subject_scheme":"Other"},{"subitem_subject":"Brittle_Fracture","subitem_subject_scheme":"Other"},{"subitem_subject":"Fracture_Mechanics","subitem_subject_scheme":"Other"},{"subitem_subject":"Singularity","subitem_subject_scheme":"Other"},{"subitem_subject":"Crack_Front_Edge_Angle","subitem_subject_scheme":"Other"},{"subitem_subject":"Pulsed_Holography","subitem_subject_scheme":"Other"},{"subitem_subject":"Crack_Propagation","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Experimental_Stress_Analysis","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Brittle_Fracture","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Fracture_Mechanics","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Singularity","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Crack_Front_Edge_Angle","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Pulsed_Holography","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"パルスホログラフィ法を用いた高速進展き裂の表面特異性とき裂前線角に関する実験的研究","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"パルスホログラフィ法を用いた高速進展き裂の表面特異性とき裂前線角に関する実験的研究"},{"subitem_title":"An Experimental Study on Surface Singularity and Front Edge Angles of Fast Propagating Cracks by Means of Pulsed Holography","subitem_title_language":"en"}]},"item_type_id":"10001","owner":"24","path":["9"],"pubdate":{"attribute_name":"公開日","attribute_value":"2013-07-22"},"publish_date":"2013-07-22","publish_status":"0","recid":"1242","relation_version_is_last":true,"title":["パルスホログラフィ法を用いた高速進展き裂の表面特異性とき裂前線角に関する実験的研究"],"weko_creator_id":"24","weko_shared_id":-1},"updated":"2023-06-19T07:54:51.828271+00:00"}