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球形ロケットチャンバ用チタン合金の破壊靭性値とAcoustic Emission
https://jaxa.repo.nii.ac.jp/records/31667
https://jaxa.repo.nii.ac.jp/records/31667de8f375e-a6a6-4e51-84b1-453c4e86236f
名前 / ファイル | ライセンス | アクション |
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SA0124661.pdf (1.3 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
タイトル | 球形ロケットチャンバ用チタン合金の破壊靭性値とAcoustic Emission | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
その他のタイトル(英) | ||||||
その他のタイトル | Fracture Toughness Anisotropy Values and Acoustic Emission Behaviours in Ti-Alloy Sheet of Spherical Rockets Chamber | |||||
著者 |
斎藤, 敏
× 斎藤, 敏× 岸, 輝雄× 堀内, 良× 中之瀬, 恩× 垣見, 恒男× SAITO, S.× KISHI, T.× HORIUCHI, R.× NAKANOSE, M.× KAKIMI, T. |
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著者所属 | ||||||
東京大学宇宙航空研究所 | ||||||
著者所属 | ||||||
東京大学宇宙航空研究所 | ||||||
著者所属 | ||||||
東京大学宇宙航空研究所 | ||||||
著者所属 | ||||||
日産自動車 宇宙航空部 | ||||||
著者所属 | ||||||
日産自動車 宇宙航空部 | ||||||
著者所属(英) | ||||||
en | ||||||
Institute of Space and Aeronautical Science University of Tokyo | ||||||
著者所属(英) | ||||||
en | ||||||
Institute of Space and Aeronautical Science University of Tokyo | ||||||
著者所属(英) | ||||||
en | ||||||
Institute of Space and Aeronautical Science University of Tokyo | ||||||
出版者 | ||||||
出版者 | 東京大学宇宙航空研究所 | |||||
書誌情報 |
東京大学宇宙航空研究所報告 巻 12, 号 1_A, p. 227-240, 発行日 1976-02 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Acoustic emission technique was applied to fracture toughness testing in Ti-6Al-4V alloys to detect crack growth. The results are as follows: (1) From the analysis of acoustic emission signals, two characteristic points (A and B points) were found. The first A-point corresponds to the initiation of slow crack growth, and the second B-point the initial deviation of crack opening displacement. These results were also verified by the observation with microscope and crack gauge. (2) The load of A-point was almost 60%of maximum load and that of B-point was 80-90%, while the load of K_<IC> value was 93-95% of maximum load. These results suggest that acoustic emission technique is a most sensitive one to detect slow crack growth. (3) There exists planer anisotropy in this alloy. J_<IC> value defined by A point had the anisotropy, which corresponds to the inclination of COD_<crit>, but not to that of K_<IC>. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0563-8100 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00161914 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: SA0124661000 |