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Analysis of Surface Crack Propagation Considering the Effect of Micro-separations
http://hdl.handle.net/10069/24351
http://hdl.handle.net/10069/24351ef8b6bc9-a0e8-4505-b99d-643b0bbd1cad
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
kogaku21_37_09.pdf (1.6 MB)
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| Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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| 公開日 | 2010-10-25 | |||||
| タイトル | ||||||
| タイトル | Analysis of Surface Crack Propagation Considering the Effect of Micro-separations | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| 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 | |||||
| 著者 |
Junichi, Katsuta
× Junichi, Katsuta× Kawano, Kazuyoshi× Sakai, Kouji× Nakajima, Masaki |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | In the TMCP steels rolled at the finishing temperature in austenite-ferrite region by the Non-AcC type TMCP method, it becames clear that the fatigue fracture surface had a lot of micro-separations, and fatigue crack propagation was prevented by micro-separations in the case of propagation in the direction of plate thickness. In this study, the authors investigated on the behavior of surface crack propagation using three TMCP steels with different SImax, and proposed the method of crack propagation analysis considering the effect of micro-separations. The results may be summarized as follows: (1) As SImax increase, propagation pattern of surface crack become shallow. (2) The macroscopic fatigue crack propagation can be analyzed with the assumption that the fatigue crack propagation in the direction of plate thickness passes through between estimated microseparations. (3) This estimation method shows the good agreement with the experimental change of aspect ratio for surface crack. | |||||
| 書誌情報 |
長崎大学工学部研究報告 en : Reports of the Faculty of Engineering, Nagasaki University 巻 21, 号 37, p. 157-166, 発行日 1991-07 |
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| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 02860902 | |||||
| EISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 18805574 | |||||
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| 収録物識別子タイプ | NCID | |||||
| 収録物識別子 | AN00178418 | |||||
| 著者版フラグ | ||||||
| 出版タイプ | VoR | |||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
| 出版者 | ||||||
| 出版者 | 長崎大学工学部 | |||||
| 出版者別言語 | ||||||
| 値 | Faculty of Engineering, Nagasaki University | |||||
| 引用 | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | 長崎大学工学部研究報告, 21(37), pp.157-166; 1991 | |||||
