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Subsurface fatigue crack generation and strain incompatibility near grain boundaries for a nitrogen-strengthened austenitic steel at cryogenic temperatures
http://hdl.handle.net/10131/7893
http://hdl.handle.net/10131/78935f05cc00-0a5b-4eb2-b233-95e0a279ad11
名前 / ファイル | ライセンス | アクション |
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A-56 ISIJ49_10.pdf (12.8 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2012-03-22 | |||||
タイトル | ||||||
タイトル | Subsurface fatigue crack generation and strain incompatibility near grain boundaries for a nitrogen-strengthened austenitic steel at cryogenic temperatures | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | high-cycle fatigue, subsurface crack initiation, co-planar arrays, austenitic steel, electron backscatter diffraction | |||||
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 | |||||
著者 |
Umezawa, Osamu
× Umezawa, Osamu |
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著者(ヨミ) | ||||||
識別子Scheme | WEKO | |||||
識別子 | 480 | |||||
識別子Scheme | e-Rad | |||||
識別子URI | https://kaken.nii.ac.jp/ja/search/?qm=20343171 | |||||
識別子 | 20343171 | |||||
姓名 | ウメザワ, オサム | |||||
著者所属 | ||||||
Department of Materials Science and Engineering, Faculty of Engineering, Yokohama National University | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Fatigue damage in nitrogen-strengthened austenitic steel that showed subsurface crack generation and intergranular cracking at cryogenic temperatures has been characterized using electron backscatter diffraction (EBSD) analysis. Strain gradients near grain boundaries and localized stress concentrations in grains were clearly detected. The strain gradient in the vicinity of a grain boundary accompanied a misorientation of a few degrees, and may result from co-planar dislocation arrays at the grain boundary. To reduce localized strain incompatibility at grain boundaries, fine-grained duplex microstructure was obtained through partial recrystallization. The treated material showed considerably improved high-cycle fatigue strength and more homogenous plastic deformation. | |||||
書誌情報 |
ISIJ international 巻 49, 号 10, p. 1624-1629, 発行日 2009 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 09151559 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10680712 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.2355/isijinternational.49.1624 | |||||
権利 | ||||||
権利情報 | ©日本鉄鋼協会 | |||||
権利URI | ||||||
権利情報 | www.isij.or.jp | www.isij.or.jp | |||||
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 | ||||||
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 | 日本鉄鋼協会 |