{"created":"2023-06-20T15:02:38.307974+00:00","id":31726,"links":{},"metadata":{"_buckets":{"deposit":"224d014c-4591-42b4-b279-01eb05cfbb0c"},"_deposit":{"created_by":1,"id":"31726","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"31726"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00031726","sets":["1887:1890","1896:1898:1899:1910"]},"author_link":["405927","405928","405925","405930","405923","405929","405924","405926"],"item_9_alternative_title_2":{"attribute_name":"その他のタイトル（英）","attribute_value_mlt":[{"subitem_alternative_title":"Fracture Toughness Testing and Acoustic Emission Signals in 18% Ni Maraging Steel for Rocket Motor Cases"}]},"item_9_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1977-03","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1_B","bibliographicPageEnd":"346","bibliographicPageStart":"331","bibliographicVolumeNumber":"13","bibliographic_titles":[{"bibliographic_title":"東京大学宇宙航空研究所報告"}]}]},"item_9_description_16":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Mロケットのモータケース用材料として使用されている18%Niマルエージング鋼について, ASTM規格にしたがったcompact-tension 型試験片により破壊靭性試験を行なった.K_<IC>は板面異方性を有し,き裂の進行方向が圧延方向に直角な場合はK_<IC>=350kg・mm-3/2であるが平行な場合は290kg・mm-3/2に低下する.また,き裂の伝播過程をAcoustic Emission法により追跡し,安定き裂成長の開始点と考えられる応力値からAEが急増することを見出した.この関係はフラクトグラフィにおけるストレッチゾーンの幅の変化に一致し,AEは安定き裂の開始点をよくとらえていることが明らかになった.さらに安定き裂の伝播過程におけるAEの信号が大なるものほど破壊靭性値が高いこと, AEの波高分析の結果より安定き裂の伝播は二つの異なる機構で支配されていることなどが明らかになり,AE法の活用が破壊過程の理解を深めるに有効であることを明らかにした.","subitem_description_type":"Abstract"}]},"item_9_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: SA0124752000","subitem_description_type":"Other"}]},"item_9_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"東京大学宇宙航空研究所"}]},"item_9_source_id_21":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0563-8100","subitem_source_identifier_type":"ISSN"}]},"item_9_source_id_24":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00161914","subitem_source_identifier_type":"NCID"}]},"item_9_text_6":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京大学宇宙航空研究所"},{"subitem_text_value":"東大大学院"},{"subitem_text_value":"東京大学宇宙航空研究所"},{"subitem_text_value":"東京大学宇宙航空研究所"}]},"item_9_text_7":{"attribute_name":"著者所属（英）","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"the Institute of Space and Aeronautical Science University of Tokyo"},{"subitem_text_language":"en","subitem_text_value":"the Institute of Space and Aeronautical Science University of Tokyo"},{"subitem_text_language":"en","subitem_text_value":"the Institute of Space and Aeronautical Science University of Tokyo"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"斎藤, 敏"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"三島, 豊"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"岸, 輝雄"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"堀内, 良"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"SAITO, B.","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"MlSHIMA, Y.","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"KlSHI, T.","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"HORIUCHI, R.","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":"2020-01-23"}],"displaytype":"detail","filename":"SA0124752.pdf","filesize":[{"value":"2.8 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"SA0124752.pdf","url":"https://jaxa.repo.nii.ac.jp/record/31726/files/SA0124752.pdf"},"version_id":"26bacbab-021f-421a-bce7-64a33f41b675"}]},"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":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"ロケットモータケース用18%Niマルエージング鋼の破壊靭性試験とAcoustic Emission(<特集>観測ロケット基礎開発研究特集号)","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"ロケットモータケース用18%Niマルエージング鋼の破壊靭性試験とAcoustic Emission(<特集>観測ロケット基礎開発研究特集号)"}]},"item_type_id":"9","owner":"1","path":["1890","1910"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-03-26"},"publish_date":"2015-03-26","publish_status":"0","recid":"31726","relation_version_is_last":true,"title":["ロケットモータケース用18%Niマルエージング鋼の破壊靭性試験とAcoustic Emission(<特集>観測ロケット基礎開発研究特集号)"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-06-21T00:52:20.614977+00:00"}