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Numerical Modeling of Scale Dependent Mechanical Properties of Metal Polycrystals
https://kitami-it.repo.nii.ac.jp/records/8033
https://kitami-it.repo.nii.ac.jp/records/80338d58df82-9008-4e7c-b63a-080aca8af9a5
名前 / ファイル | ライセンス | アクション |
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No9.pdf (388.7 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2015-11-27 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Numerical Modeling of Scale Dependent Mechanical Properties of Metal Polycrystals | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Crystal Plasticity | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Dislocation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Dislocation Dynamics | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Finite Element Model (FEM) | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Grain Boundary | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
著者 |
Ohashi, Tetsuya
× Ohashi, Tetsuya× Hussein, M. Zbib |
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著者別名 | ||||||
姓名 | 大橋, 鉄也 | |||||
言語 | ja | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Movement of dislocations and their interaction with grain boundaries during yielding process of metal polycrystals are numerically simulated . Simulation results show that when the size of FR source is close to grain diameter, the resolved shear stress needed to emit a dislocation loop increases sharply with decreasing grain size. This effect is introduced into the critical resolved shear stress, which is used in the continuum mechanics-based crystal plasticity analysis. Results of the analyses of polycrystal models show distinct increases of yield stress for specimens with smaller mean grain diameter. Evolution of GN dislocations in fine- and coarse-grained polycrystals are discussed. |
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書誌情報 |
Materials Science Forum 巻 561, p. 1827-1832, 発行日 2007-10 |
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DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | http://doi.org/10.4028/www.scientific.net/MSF.561-565.1827 | |||||
出版者 | ||||||
出版者 | Trans Tech Publications | |||||
関連サイト | ||||||
URL | http://www.ttp.net/0255-5476.html | |||||
著者版フラグ | ||||||
値 | author | |||||
出版タイプ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |