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Evolution of dislocation patterns in a tricrystal model subjected to cyclic loading
https://kitami-it.repo.nii.ac.jp/records/7910
https://kitami-it.repo.nii.ac.jp/records/79104e4121ad-69ec-4184-ab7a-108e9077225b
名前 / ファイル | ライセンス | アクション |
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No24.pdf (2.5 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2015-08-20 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Evolution of dislocation patterns in a tricrystal model subjected to cyclic loading | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | polycrystalline aggregate | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | dislocation pattern | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | crystal plasticity analysis | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | grain boundary | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | cyclic deformation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | tricrystal model | |||||
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× Kondou, Ryouji |
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著者別名 | ||||||
姓名 | 大橋, 鉄也 | |||||
言語 | ja | |||||
著者別名 | ||||||
姓名 | 近藤, 了嗣 | |||||
言語 | ja | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | When a polycrystalline aggregate is deformed beyond the elastic range, dislocations pile up at grain boundaries and make some patterned structures within the grains. If the external load is reversed, most dislocations at grain boundaries and in the patterned structure are supposed to disappear or change their arrangements, but the details are not yet well known. In this study, we examined such changes in dislocation structures by a crystal plasticity analysis. Models for the polycrystalline aggregates consist of three grains and the generation and degeneration of the geometrically necessary dislocations during cyclic loading are examined in detail. The results show that there are some groups of dislocations that do not dissipate but evolve upon reverse loading. | |||||
書誌情報 |
en : Philosophical Magazine 巻 93, 号 4, p. 366-387, 発行日 2013 |
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DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | http://doi.org/10.1080/14786435.2012.721017 | |||||
出版者 | ||||||
出版者 | Taylor & Francis | |||||
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 |