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Conditions for notch strength to be higher than static tensile strength in high–strength ductile cast iron
http://hdl.handle.net/10228/00007977
http://hdl.handle.net/10228/000079774f3247e3-73eb-44b7-8d40-68f700c44e0b
名前 / ファイル | ライセンス | アクション |
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j.engfracmech.2018.11.034.pdf (1.6 MB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||||||||
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公開日 | 2020-11-30 | |||||||||||
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 | journal article | |||||||||||
タイトル | ||||||||||||
タイトル | Conditions for notch strength to be higher than static tensile strength in high–strength ductile cast iron | |||||||||||
言語 | ||||||||||||
言語 | eng | |||||||||||
著者 |
Ikeda, Tomohiro
× Ikeda, Tomohiro× 野田, 尚昭
WEKO
3665
× 佐野, 義一 |
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抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | In this study, notch strength σ B notch was studied for a wide range of testing speed and temperature in comparison with the static tensile strength at room temperature σ B, RT smooth. High–speed tensile tests were conducted on high–Si ductile cast iron, conventional ferrite–pearlite ductile cast iron, and fully pearlitic ductile cast iron at a stroke speed ranging between 8.5 × 10−3–2.7 × 102 mm/s (strain rate of 2.1 × 10−4–1.8 × 101 s−1) and temperature ranging between −180°C–22°C. Then, σ B notch and σ B,RT smooth were compared in terms of the strain rate–temperature parameter R = T ln (A/ ) to evaluate the combined influence of the strain rate and temperature T. It was found that the notch strength σ B notch can be expressed as a unique master curve in terms of R parameter for each material. Then, a notch–strengthening threshold criterion R ≧ Rth was proposed to describe the lowest service temperature and highest strain rate that can be applied to the structural components. Under the condition R ≧ Rth, σ B notch is always larger than σ B,RT smooth , and therefore, notched components can be used safely. In other words, if R ≧ Rth, σ B,RT smooth can be used to evaluate the notched components in machine design to prevent instantaneous fractures. | |||||||||||
書誌情報 |
Engineering Fracture Mechanics 巻 206, p. 75-88, 発行日 2018-11-28 |
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出版社 | ||||||||||||
出版者 | Elsevier | |||||||||||
DOI | ||||||||||||
関連タイプ | isVersionOf | |||||||||||
識別子タイプ | DOI | |||||||||||
関連識別子 | https://doi.org/10.1016/j.engfracmech.2018.11.034 | |||||||||||
NCID | ||||||||||||
収録物識別子タイプ | NCID | |||||||||||
収録物識別子 | AA11526219 | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | ISSN | |||||||||||
収録物識別子 | 0013-7944 | |||||||||||
著作権関連情報 | ||||||||||||
権利情報 | Elsevier | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Notch–strengthening threshold | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Strain rate | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Temperature | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Ductile cast iron | |||||||||||
出版タイプ | ||||||||||||
出版タイプ | AM | |||||||||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||||||||
査読の有無 | ||||||||||||
値 | yes | |||||||||||
研究者情報 | ||||||||||||
https://hyokadb02.jimu.kyutech.ac.jp/html/10_ja.html | ||||||||||||
論文ID(連携) | ||||||||||||
10334398 | ||||||||||||
連携ID | ||||||||||||
7549 |