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炭素鋼予加工材の横穴よりの疲れき裂の挙動* -引圧疲れの場合-
https://kitami-it.repo.nii.ac.jp/records/6516
https://kitami-it.repo.nii.ac.jp/records/65160426120c-6bf4-4fef-afa8-d90c17e1e1a8
名前 / ファイル | ライセンス | アクション |
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13-1-1.pdf (2.7 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2007-04-09 | |||||
タイトル | ||||||
タイトル | 炭素鋼予加工材の横穴よりの疲れき裂の挙動* -引圧疲れの場合- | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
その他のタイトル | ||||||
その他のタイトル | The Behavior of Fatigue Cracks Rising from the Rims of a Lateral Hole in Prestrained Carbon-Steel Specimens ?under the Push-Pull Fatogue Test- | |||||
著者 |
追分, 重義
× 追分, 重義× 宇野, 和雄× 三浦, 節男 |
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著者別名 | ||||||
識別子 | 32893 | |||||
識別子Scheme | WEKO | |||||
姓名 | Shigeyoshi, OIWAKE | |||||
著者別名 | ||||||
識別子 | 32894 | |||||
識別子Scheme | WEKO | |||||
姓名 | Kazuo, UNO | |||||
著者別名 | ||||||
識別子 | 32895 | |||||
識別子Scheme | WEKO | |||||
姓名 | Setsuo, MIURA | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Carbon-steel specimens which had been prestrained in tension and made a lateral hole in, were tested in the cyclic push-pun load to examine the effects of the prestrain ε and the diameter d of the lateral hole upon the fatigue strength, the fatigue crack propagation, the crack top opening etc. The main results obtained are as follows. 1) With δ=const. .andεvarying in the order, 2,0,14% and withε-=const. and a varying in the order, 1.8,2.4,1.2,3.6,0mm,the endurance limit σ_w increased from the least at the tops. 2) In general the harder was the specimen, the higher was the endurance limit σ_w.At the failing cycle the hardness was higher in the order, ε=2,0,14%, the lowest being at ε=2%. 3) For every ε-=const. Specimen, σ_w reached a minimum between the stress gradient χ=1.8 and 2.5 mm^<?1> as in the case of the rotating bending fatigue. 4) The crack propagation formula obtained was dl/dN=Cl, ie. the Frost and Dugdale type. 5)The crack opening can be evaluated using the non-opening ratio i as the crack top opening using the SIF ratio ΔΚ_<eff>/ΔΚ, it was revealed | |||||
書誌情報 |
北見工業大学研究報告 巻 13, 号 1, p. 1-7, 発行日 1981-10 |
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フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
著者版フラグ | ||||||
値 | publisher | |||||
出版者 | ||||||
出版者 | 北見工業大学 |