{"_buckets": {"deposit": "dea9625d-6308-481d-9e65-14f93b7c727b"}, "_deposit": {"created_by": 24, "id": "1262", "owners": [24], "pid": {"revision_id": 0, "type": "depid", "value": "1262"}, "status": "published"}, "_oai": {"id": "oai:repo.lib.tut.ac.jp:00001262", "sets": ["9"]}, "author_link": ["2863", "2859", "2299", "2862", "2861", "2860"], "item_10001_biblio_info_7": {"attribute_name": "書誌情報", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "1995-10-25", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "590", "bibliographicPageEnd": "2159", "bibliographicPageStart": "2154", "bibliographicVolumeNumber": "61", "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": "A method of interferometry is applied to study the near-tip field of cracks which are propagating in PMMA specimens at a speed of about 550 m/s. The interference fringes around the cracks are photographed with a holographic optical system at 18 μs or at 73 μs after the crack initiation. The interference fringes are measured and analyzed in the directions of ±72 degrees from the propagation direction of the crack in order to compare the measurement results obtained through interferometry with those through the caustic method. It is found that the effect of higher order terms appears in the near-tip field at 18 μs after the crack initiation, but disappears at 73 μs, and the singular field is developed as far as 9 mm from the tip. Consequently, it can be concluded that, in the directions of ±72 degrees from the propagation direction, the effect of higher order terms appears within several tens of microseconds after the beginning of rapid crack propagation where crack speed is more than it few hundred m/s. These results are in good agreement with those obtained through the caustic method.", "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/110002378091/\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/110002378091/", "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": 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"nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Miyazaki, Fumiyoshi", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "2862", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Nozaki, Yasunori", "creatorNameLang": "en"}], "nameIdentifiers": [{"nameIdentifier": "2863", "nameIdentifierScheme": "WEKO"}]}]}, "item_files": {"attribute_name": "ファイル情報", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2013-07-26"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "n03875008-0061-2154.pdf", "filesize": [{"value": "619.6 kB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_11", "mimetype": "application/pdf", "size": 619600.0, "url": {"label": "n03875008-0061-2154", "url": "https://repo.lib.tut.ac.jp/record/1262/files/n03875008-0061-2154.pdf"}, "version_id": 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"subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Fracture_Toughness", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Crack_Propagation", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Material_Testing", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Interferometry", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "Caustic_Method", "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": "高速進展開始直後におけるき裂先端応力場に現れる高次項の影響について : 光干渉法による測定", "item_titles": {"attribute_name": "タイトル", 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