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Relationship between subsurface fatigue crack generation and strain incompatibility
http://hdl.handle.net/10131/7935
http://hdl.handle.net/10131/7935f60777e2-8ea2-4860-ba7c-7b97645dd83d
名前 / ファイル | ライセンス | アクション |
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B-22 NMDFASP2010.pdf (383.1 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2012-03-23 | |||||
タイトル | ||||||
タイトル | Relationship between subsurface fatigue crack generation and strain incompatibility | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | subsurface fatigue crack generation, strain incompatibility, strain gradient, stree concentration, microcrack | |||||
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 | ||||||
Yokohama National University | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The arguments on subsurface fatigue crack generation have been integrated from a viewpoint of strain incompatibility to progress the understanding of cyclic damage and microcracking stages. Phenomenological aspects of subsurface crack generation in both high-cycle fatigue and rolling contact fatigue were reviewed. Strain incompatibility may give an essential origin for a microcracking, but no evidences have been available to show microcrack initiated at localized deformation structure directly. Not only heterogeneous microplasticity due to planar slip and restricted system in high-cycle fatigue but also localized slip due to strain gradient in rolling contact fatigue are considered to play an important role on making the subsurface crack. | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 内部疲労き裂発生における繰返し変形損傷と微小き裂形成に関わる理解を進めるために、ひずみ不整合の視点から議論を整理する。高サイクル疲労および転動疲労で生じる内部疲労き裂発生挙動の現象論をまとめた。そして、ひずみ不整合が本質的に微小き裂形成の原因を与えると考えるが、局所変形と微小き裂形成を直接証拠立てるものは得られていない。高サイクル疲労におけるすべり系の限定と平面すべり挙動下の極小塑性変形のみでなく、転動疲労におけるひずみ勾配がもたらす局所変形も内部き裂形成に主要な役割を果たしている。 | |||||
書誌情報 |
New methods of damage and failure analysis of structural parts p. 65-70, 発行日 2010-09 |
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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 | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
その他のタイトル | ||||||
その他のタイトル | 内部疲労き裂発生とひずみ不整合の関係について | |||||
その他のタイトル | ||||||
その他のタイトル | Vznik podpovrchov?ch ?navov?ch trhlin ve vazb? na nekompatibilitu deformace | |||||
出版者 | ||||||
出版者 | Vysoka? s?kola ba?n?ska? - Technicka? univerzita Ostrava. |